For 1990-2009 cars

Name | Location | Locator View | Connector End View
--- | --- | --- | ---
ABS Diode, D103 | On the front, center of the exterior bulkhead, plugged into the ABS relay center | -- | --
ABS Relay Center | On the front, center of the exterior bulkhead, near the underhood fuse block | Antilock Brake System Component Views in ABS or Air Antilock Brake System Component Views in Air ABS | --
Accelerator Pedal Position (APP) Sensor | Under the IP, on the left side, at the floor | Engine Controls Component Views in Engine Controls - 8.1L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 8.1L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Air Brake Dryer | At the right frame rail near the battery(ies) | Air Brake System Component Views in Air Brakes | Air Brake System Connector End Views in Air Brakes
Air Suspension Dump Switch | In the IP, the upper left switch | Suspension Controls Component Views in Air Suspension | Suspension Controls Connector End Views in Air Suspension
Air Suspension Relief Valve | Along the right side frame rail, in front of the crossmember forward of the rear axle | Suspension Controls Component Views in Air Suspension | Suspension Controls Connector End Views in Air Suspension
Air Temperature Actuator | On the right side of the center, lower IP, on the HVAC control module, part of the temperature/ defroster | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual
Ashtray Lamp | In the center of the IP, inside the ashtray housing | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Automatic Transmission Control | Mounted on the left side of the instrument panel, MWF only | -- | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison®
Automatic Transmission Engine Brake Switch | On the lower right side of the transmission | -- | Engine Exhaust Brake Connector End Views in Engine Exhaust
Automatic Transmission Input Shaft Speed (ISS) Sensor | On the right side of the transmission near the front | Automatic Transmission Electronic Component Views in Automatic Transmission - Allison® | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison®
Automatic Transmission Modulator | On the lower left side of the transmission | Automatic Transmission Electronic Component Views in Automatic Transmission - Allison® | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison®
Automatic Transmission Modulator Relay | On the lower right side of the exterior bulkhead, on the relay bracket | Automatic Transmission Electronic Component Views in Automatic Transmission - Allison® | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison®
Automatic Transmission Shift Lever | Steering column mounted, center console mounted, or instrument panel mounted | Automatic Transmission Electronic Component Views in Automatic Transmission - Allison® | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison®
Auxiliary Power Post (+) | In the IP, near the ashtray | Power and Grounding Component Views | --
Auxiliary Power Post (-) | In the IP, near the ashtray | Power and Grounding Component Views | --
Backup Lamp Switch | On the lower right side of the automatic transmission, or on the upper right side of the manual transmission | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Battery | On the outboard side of the right frame rail | -- | --
Blower Motor | Behind the right side of the instrument panel | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual
Blower Motor Diode Module | In the center of the IP, behind the heater controls, taped to the HVAC control harness | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual
Blower Motor Resistor Assembly | In the lower right side of the IP, on the HVAC control module | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual
Blower Motor Switch | In the center of the IP, part of the HVAC control module | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual
Brake Fluid Level Switch | On the left side of the upper exterior bulkhead, on the left side of the brake master cylinder reservoir | Hydraulic Brake Component Views in Hydraulic Brakes | Hydraulic Brake Connector End Views in Hydraulic Brakes
Brake Pressure Modulator Valve - LF | On the left side of the front crossmember | Air Antilock Brake System Component Views in Air ABS | Air Antilock Brake System Connector End Views in Air ABS
Brake Pressure Modulator Valve - LR | On the left side of the crossmember, forward of the rear axle | Air Antilock Brake System Component Views in Air ABS | Air Antilock Brake System Connector End Views in Air ABS
Brake Pressure Modulator Valve - RF | On the right side of the front crossmember | Air Antilock Brake System Component Views in Air ABS | Air Antilock Brake System Connector End Views in Air ABS
Brake Pressure Modulator Valve - RR | On the right side of the crossmember, forward of the rear axle | Air Antilock Brake System Component Views in Air ABS | Air Antilock Brake System Connector End Views in Air ABS
Camshaft Position (CMP) Sensor | At the lower front of the engine | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Cigar Lighter | In the IP, to the left of the center, part of the ashtray | Power and Grounding Component Views | Power and Grounding Connector End Views
Clearance Lamp - Left | On the top of the roof, on the left forward outboard side of the cab | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Clearance Lamp - Right | On the top of the roof, on the right forward outboard side of the cab | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Clutch Pedal Position (CPP) Switch | On the clutch pedal support bracket | -- | Engine Controls Connector End Views in Engine Controls - 8.1L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Clutch Switch | On the clutch pedal support bracket | -- | Engine Controls Connector End Views in Engine Controls - 8.1L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Convenience Center | Under the right side of the IP | Power and Grounding Component Views | Power and Grounding Connector End Views
Coolant Level Switch | On the back of the right radiator tank in the middle (L18), or on the right side of the radiator, on the lower left bottom side of the radiator surge tank (LG5) | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages and Console
Crankshaft Position (CKP) Sensor | At the rear of the engine, below the rear of the intake manifold | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Cruise Control Diode, D201 | In the L18 IP harness, 5 cm (2 in) from the breakout for the instrument panel cluster, toward the breakout for the convenience center | -- | --
Data Link Connector (DLC) | Under the left side of the IP | Data Link Communications Component Views in Data Link Communications | Data Link Communications Connector End Views in Data Link Communications
Daytime Running Lamps (DRL) Control Module | Under the right side of the IP | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Daytime Running Lamps (DRL) Diode | Under the right side of the IP, right of the convenience center | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Differential Lock Switch | On the left side of the IP to the exterior bulkhead | Rear Axle Component Views in Rear Drive Axle | Rear Axle Connector End Views in Rear Drive Axle
Dome Lamp | In the center front top of the cab | Lighting Systems Component Views in Lighting Systems | --
Door Jamb Switch - Driver | On the left side of the IP | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Door Lock Actuator - Driver | Behind the driver door panel | -- | Power Door Systems Connector End Views in Doors
Door Lock Actuator - Front Passenger | Behind the front passenger door panel | -- | Power Door Systems Connector End Views in Doors
Door Lock Switch - Driver | On the driver door panel | -- | Power Door Systems Connector End Views in Doors
Door Lock Switch - Front Passenger | On the front passenger door panel | -- | Power Door Systems Connector End Views in Doors
Driver Information Center (DIC) - Left | Below the left side of the instrument panel cluster (IPC) | -- | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages and Console
Driver Information Center (DIC) - Right | Below the right side of the instrument panel cluster (IPC) | -- | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages and Console
Electronic Brake Control Module (EBCM) | At the left inboard frame rail near the rear of the first crossmember, on a bracket (JE3), or in the engine compartment, on the left side of the radiator support (JE5) | Antilock Brake System Component Views in ABS or Air Antilock Brake System Component Views in Air ABS | Antilock Brake System Connector End Views in ABS or Air Antilock Brake System Connector End Views in Air ABS
Engine Brake Actuator Control Valve | On the outboard side of the right frame rail, behind the battery box | Engine Exhaust Brake Component Views in Engine Exhaust | Engine Exhaust Brake Connector End Views in Engine Exhaust
Engine Brake Relay | In the engine compartment, at the center of the bulkhead, near the underhood fuse block, on the relay bracket | Engine Exhaust Brake Component Views in Engine Exhaust | Engine Exhaust Brake Connector End Views in Engine Exhaust
Engine Coolant Temperature (ECT) Gage Sensor | On the right side of the engine, on the left side of the coolant outlet, the top sensor | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages and Console
Engine Coolant Temperature (ECT) Radiator Shutter Switch | On the right side of the engine, on the upper rear side of the coolant outlet extension | Cooling System Component Views in Engine Cooling | Cooling System Connector End Views in Engine Cooling
Engine Coolant Temperature (ECT) Sensor | On the top center of the bank 2 (right) cylinder head | -- | Engine Controls Connector End Views in Engine Controls - 8.1L
Engine Coolant Temperature (ECT) Switch (LG5/UER) | On the right side of the engine, on the rear side of the coolant outlet | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Engine Hour Meter | In the lower left side of the instrument panel | -- | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages and Console
Engine Metal Temperature Switch (KTE) | On the rear of the engine, on the cylinder head | -- | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Engine Oil Pressure (EOP) Gage Sensor | On the left side of the engine block, on a tee, pointing up | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages and Console
Engine Oil Pressure (EOP) Sensor | At the rear of the engine, near the bell housing | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Engine Oil Pressure (EOP) Switch | On the left side of the engine block, on an elbow, pointing left | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Ether Injector Control Valve | On the right side of the exterior bulkhead | -- | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Ether Injector Diode, D101 | In the ether injector harness, 17 cm (7 in) from the ether injector control valve | -- | --
Evaporative Emission (EVAP) Canister Purge Solenoid | On the center left side of the engine, on the intake manifold | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
EXHAUST BRAKE Switch | At the top center of the IP | Engine Exhaust Brake Component Views in Engine Exhaust | Engine Exhaust Brake Connector End Views in Engine Exhaust
FAST IDLE Indicator | On the lower left side of the IP | -- | Engine Controls Connector End Views in Engine Controls - 8.1L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
FAST IDLE Switch | On the lower left side of the IP | -- | Engine Controls Connector End Views in Engine Controls - 8.1L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Fuel Heater | On the left side of the engine, part of the fuel/water separator | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Fuel Pump and Sender Assembly (Single Fuel Tank) | On the outboard side of the frame rail in the fuel tank | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Fuel Pump and Sender Assembly - Left | On the outboard side of the left frame rail in the fuel tank | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Fuel Pump and Sender Assembly - Right | On the outboard side of the right frame rail in the fuel tank | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Fuel Pump Prime Connector | Under the left side of the IP | Engine Controls Component Views in Engine Controls - 8.1L | --
Fuel Sender and Balance Pump Control Module | On the left frame rail, forward of the fuel tank, in the fuel tank harness | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Fuel Sender and Balance Pump Control Relay | On the left frame rail, forward of the fuel tank, in the fuel tank harness | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Fuse Block - I/P | On the left side of the instrument panel, behind the access door | Power and Grounding Component Views | Power and Grounding Connector End Views
Fuse Block - Underhood | On the front, center of the exterior bulkhead | Power and Grounding Component Views | Power and Grounding Connector End Views
Generator | On the front upper right side of the engine | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical
Generator Diode, G200 | In the LG5 IP harness, 23 cm (9 in) from connector C210, toward the breakout for the convenience center | -- | --
Generator Inline Fuse | Taped to the engine harness at the rear of the generator | -- | Engine Electrical Connector End Views in Engine Electrical
Ground Block | On the side of the right frame rail, part of the negative battery cable | Power and Grounding Component Views | --
Hazard Indicator Lamp | On the lower left side of the IP, part of the hazard switch | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Hazard Switch | On the side of the steering column, or on the lower left side of the IP (IP mounted) | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Headlamp Dimmer Switch | On the lower left side of the steering column | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Headlamp Switch | On the left side of the IP | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Headlamp - Left | On the left front of the cab body | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Headlamp - Right | On the right front of the cab body | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Heated Moisture Ejector Valve | At the right frame rail, on the bottom rear of the primary air reservoir | Air Brake System Component Views in Air Brakes | Air Brake System Connector End Views in Air Brakes
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 | At the left rear side of the engine, on the exhaust pipe, in front of the catalytic converter | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 | At the right rear side of the engine, on the exhaust pipe, in front of the catalytic converter | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Heater Control Lamp - Left | In the center of the IP, at the left rear of the heater control | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Heater Control Lamp - Right | In the center of the IP, at the right rear of the heater control | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Horn-High Note | Behind the front bumper, on the left side of the crossmember | Horn Component Views in Horns | Horn Connector End Views in Horns
Horn-Low Note | Behind the front bumper, on the right side of the crossmember | Horn Component Views in Horns | Horn Connector End Views in Horns
HVAC Control Module | In the center of the IP | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual
Hydraulic Brake Inline Fuse | On the left side of the exterior bulkhead, taped to the IP harness, near the breakout for the exterior upfitter AUX WRG connector | -- | Hydraulic Brake Connector End Views in Hydraulic Brakes
Ignition Coils - 1-8 | On the left and right valve covers | Engine Controls Component Views in Engine Controls - L18 | Engine Controls Connector End Views in Engine Controls - L18
Ignition Relay - Engine Controls | In the engine compartment, at the center of the bulkhead, near the underhood fuse block, on the relay bracket | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Ignition Switch | On the top side of the lower steering column | Power and Grounding Component Views | Power and Grounding Connector End Views
Instrument Panel Cluster (IPC) | On the left side of the IP | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages and Console
Intake Air (IA) Heater Relay | On the top of the engine near the front | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | --
IP Dimmer Switch | On the left side of the IP, left of the instrument panel cluster (IPC) | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Knock Sensor (KS) 1 | On the left side of the engine block below the exhaust manifold | Engine Controls Component Views in Engine Controls - 8.1L | --
Knock Sensor (KS) 2 | On the right side of the engine block below the exhaust manifold | Engine Controls Component Views in Engine Controls - 8.1L | --
Low Air Pressure Switch | On the interior bulkhead, above the accelerator pedal | Air Brake System Component Views in Air Brakes | Air Brake System Connector End Views in Air Brakes
Manifold Absolute Pressure (MAP) Sensor | At the front of the engine, behind the thermostat outlet housing, on the intake manifold | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Marker Lamps - Roof | On the top of the roof, in the center of the cab | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Mass Air Flow (MAF) Sensor | On the front of the engine between the intake manifold plenum and the air cleaner outlet duct elbow | -- | Engine Controls Connector End Views in Engine Controls - 8.1L
Mode Actuator | On the right side of the center, lower IP, on the HVAC control module, part of the temperature/ defroster | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual
Multifunction Alarm Module | Under the left side of the IP | Engine Controls Component Views in Engine Controls - 8.1L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 8.1L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Multiport Fuel Injectors - 1-8 | Along the left and right sides of the intake manifold | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Neutral Safety Switch | On the lower left side of the transmission | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Outside Heated Mirror Switch | On the left side of the IP, right of the instrument panel cluster (IPC) | Power Door Systems Component Views in Doors | Power Door Systems Connector End Views in Doors
Outside Rearview Mirror - Driver | On the exterior side of the driver door | Power Door Systems Component Views in Doors | Power Door Systems Connector End Views in Doors
Outside Rearview Mirror - Passenger | On the exterior side of the passenger door | Power Door Systems Component Views in Doors | Power Door Systems Connector End Views in Doors
Park Brake Control Module (PBCM) | Under the lower left side of the IP, at the kick panel | Park Brake System Component Views in Park Brake | Park Brake System Connector End Views in Park Brake
Park Brake Pressure Indicator Switch | On the left kick panel at the park brake lever | Lighting Systems Component Views in Lighting Systems | --
Park Brake Pressure Sensor | On the left frame rail, in the park brake component box, on the park brake pump | Park Brake System Component Views in Park Brake | Park Brake System Connector End Views in Park Brake
Park Brake Pressure Solenoid Valve | On the left frame rail, in the park brake component box, on the park brake actuator | Park Brake System Component Views in Park Brake | Park Brake System Connector End Views in Park Brake
Park Brake Pump Motor | On the left frame rail, in the park brake component box, part of the park brake pump assembly | Park Brake System Component Views in Park Brake | Park Brake System Connector End Views in Park Brake
Park Brake Pump Motor Relay | In the engine compartment, at the center of the bulkhead, near the underhood fuse block, on the relay bracket | Park Brake System Component Views in Park Brake | Park Brake System Connector End Views in Park Brake
Park Brake Solenoid Position Switch | On the left frame rail, in the park brake component box, on the park brake actuator | Park Brake System Component Views in Park Brake | Park Brake System Connector End Views in Park Brake
Park Brake Switch (JE3/J71) | On the IP, the second switch to the right of the steering column | -- | Lighting Systems Connector End Views in Lighting Systems
Park Brake Switch (JE5) | On the left side of the bulkhead, on the air brake application valve | Park Brake System Component Views in Park Brake | Park Brake System Connector End Views in Park Brake
Park/Neutral Position (PNP) Switch | On the top left of the steering column, below the main support, under the shield | Engine Controls Component Views in Engine Controls - 8.1L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 8.1L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Park/Neutral Position (PNP) Switch (MTW/MX4) | On the rear lower left side of the transmission | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Park/Turn Signal Lamp - LF | On the top of the left front fender | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Park/Turn Signal Lamp - RF | On the top of the right front fender | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Power Brake (P/B) Booster Fluid Flow Switch | On the left side of the bulkhead, behind the brake master cylinder, at the top of the power brake booster pump housing | Hydraulic Brake Component Views in Hydraulic Brakes | Hydraulic Brake Connector End Views in Hydraulic Brakes
Power Brake (P/B) Booster Pump Motor | In the engine compartment, on the upper left side of the bulkhead, at the brake master cylinder, part of the power brake booster pump | Hydraulic Brake Component Views in Hydraulic Brakes | --
Power Brake (P/B) Booster Pump Motor Relay | In the engine compartment, at the center of the bulkhead, near the underhood fuse block, on the relay bracket | Hydraulic Brake Component Views in Hydraulic Brakes | Hydraulic Brake Connector End Views in Hydraulic Brakes
Powertrain Control Module (PCM) | On the right side of the exterior bulkhead (L18), or on the left side of the engine toward the rear (LG5) | Engine Controls Component Views in Engine Controls - 8.1L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Powertrain Control Module Connector End Views in Engine Controls - 8.1L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
PRNDL Lamp | Near the automatic transmission shift lever | -- | --
PTO Switch | On the left side of the IP | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Radiator Shutter Valve Assembly | On the left side of the radiator core support | Cooling System Component Views in Engine Cooling | Cooling System Connector End Views in Engine Cooling
Radio | In the center of the IP, below the HVAC controls | -- | Entertainment Connector End Views in Entertainment
Rear Axle Air Shift Switch - Two Speed | On the left frame rail, forward of the rear axle, on the two speed rear axle quick release valve | -- | Rear Axle Connector End Views in Rear Drive Axle
Rear Axle Driver Control Switch - Two Speed | Near the automatic transmission shift lever, or at the manual transmission shift lever | Rear Axle Component Views in Rear Drive Axle | Rear Axle Connector End Views in Rear Drive Axle
Rear Axle Shift Motor - Two Speed | On the front of the rear axle housing | Rear Axle Component Views in Rear Drive Axle | Rear Axle Connector End Views in Rear Drive Axle
Rear Axle Shift Relay - Two Speed | On the front right side of the crossmember, forward of the rear axle | Rear Axle Component Views in Rear Drive Axle | Rear Axle Connector End Views in Rear Drive Axle
Recirculation Actuator | On the right side of the center, lower IP, on the HVAC control module, part of the temperature/ defroster/ | HVAC Component Views in HVAC Systems - Manual | HVAC Connector End Views in HVAC Systems - Manual
Seat Belt Alarm | In the lower left side of the IP, near the data link connector (DLC) | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages and Console
SERVICE TRANS FILTER Indicator Switch | On the inboard side of the left frame rail, to the rear of the body mount bracket, part of the automatic transmission fluid filter | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages and Console
Speaker - LF | On the upper left front of the IP | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment
Speaker - LR | On the rear of the upper left door frame | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment
Speaker - RF | On the upper right front of the IP | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment
Speaker - RR | On the rear of the upper right door frame | Entertainment Component Views in Entertainment | Entertainment Connector End Views in Entertainment
Starter | On the lower right side of the engine | Engine Electrical Component Views in Engine Electrical | --
Starter Relay | In the engine compartment, on the lower right side of the bulkhead | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical
Starter Solenoid | On the lower right side of the engine, on the starter | Engine Electrical Component Views in Engine Electrical | --
Starter Temperature Switch | On the lower right side of the engine, on the end of the starter | Engine Electrical Component Views in Engine Electrical | Engine Electrical Connector End Views in Engine Electrical
Stop lamp Relay | Behind the center of the IP, near the radio | -- | Lighting Systems Connector End Views in Lighting Systems
Stop lamp Switch | On the brake pedal support (JE3), or on the left side of the exterior bulkhead, on the air brake application valve (JE5) | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Stop lamp Switch Interface Module | Under the right side of the IP, taped to the IP harness | Engine Controls Component Views in Engine Controls - 8.1L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 8.1L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Tail Lamp - Left | At the rear of the left frame rail | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Tail Lamp - Right | At the rear of the right frame rail | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Throttle Actuator Control (TAC) Module | Under the IP, on the right side, behind the glove compartment | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Throttle Actuator Control (TAC) Motor | On the top of the engine, on the side of throttle body, part of the throttle body | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Throttle Position (TP) Sensor | On the top of the engine, on the side of the throttle body | Engine Controls Component Views in Engine Controls - 8.1L | Engine Controls Connector End Views in Engine Controls - 8.1L
Tractor/Trailer Receptacle | At the rear of the cab | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Trailer Marker Lamp Switch | On the center of the IP | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Trailer Stop Lamp Relay | In the engine compartment, at the center of the bulkhead, by the underhood fuse block, on the relay bracket | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Trailer Stop Lamp Switch | On the lower right of the engine compartment, on a tee on the trailer brake valve | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Transmission Control Module (TCM) | On the inboard side of the left frame rail | Automatic Transmission Electronic Component Views in Automatic Transmission - Allison® | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison®
Transmission Control Module (TCM) Interface Module | On the inboard side of the left frame rail | Automatic Transmission Electronic Component Views in Automatic Transmission - Allison® | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison®
Transmission Control Relay | In the engine compartment, at the center of the bulkhead, by the underhood fuse block, on the relay bracket | Automatic Transmission Electronic Component Views in Automatic Transmission - Allison® | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison®
Transmission Fluid Temperature (TFT) Gage | Near the automatic transmission shift lever, or in the center of the IP, on the right side of the steering wheel, column mounted shift lever | Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gages and Console | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages and Console
Transmission Fluid Temperature (TFT) Sensor | On the lower right rear of the radiator on the transmission oil cooler inlet fitting, or on the center of the right side of the transmission oil pan (MWF) | -- | Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gages and Console
Turbine Shaft Speed (TSS) Sensor | On the left side of the transmission near the middle | Automatic Transmission Electronic Component Views in Automatic Transmission - Allison® | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison®
Turn Signal/Hazard Flasher Module | On the left side of the brake pedal bracket assembly | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Turn Signal/Multifunction Switch C1 | On the left side of the steering column | Lighting Systems Component Views in Lighting Systems | Lighting Systems Connector End Views in Lighting Systems
Turn Signal/Multifunction Switch C2 | On the left side of the steering column | Wiper/Washer Component Views in Wipers/Washer Systems | Wiper/Washer Connector End Views in Wipers/Washer Systems
Turn Signal/Multifunction Switch C3 | On the left side of the steering column | Cruise Control Component Views in Cruise Control | Cruise Control Connector End Views in Cruise Control
Upfitter Accessory Feed Connector | In the IP harness, taped to the main harness, between the instrument panel cluster (IPC) breakout and the convenience center breakout | Power and Grounding Component Views | Power and Grounding Connector End Views
Upfitter AUX WRG Connector, Exterior | In the IP harness, on the left side of the exterior bulkhead, near P100 | Power and Grounding Component Views | Power and Grounding Connector End Views
Upfitter AUX WRG Connector, Interior | In the IP harness, at the lower right side of the IP | Power and Grounding Component Views | Power and Grounding Connector End Views
Upfitter Body MKR LP Connector | In the engine harness, under the right side of the cab, at the right frame rail | -- | --
Upfitter Power Takeoff Connector | In the engine harness, under the right side of the cab, at the right frame rail | -- | Engine Controls Connector End Views in Engine Controls - 8.1L
Upfitter to PTO Connector | Taped on the engine harness at the left rear of the engine | Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Upfitter TRANS OPT Connector | In the engine harness, on the left rear side of the engine | Automatic Transmission Electronic Component Views in Automatic Transmission - Allison® | Automatic Transmission Related Connector End Views in Automatic Transmission - Allison®
Vehicle Speed Sensor (VSS) | On the transmission rear tailshaft housing | Engine Controls Component Views in Engine Controls - 8.1L or Engine Controls Component Views in Engine Controls - 7.2L (Caterpillar) | Engine Controls Connector End Views in Engine Controls - 8.1L or Engine Controls Connector End Views in Engine Controls - 7.2L (Caterpillar)
Wheel Speed Sensor (WSS) - LF | At the top of the left front brake backing plate (JE3), or at the left front air ABS harness connector (JE5) | Antilock Brake System Component Views in ABS or Air Antilock Brake System Component Views in Air ABS | Antilock Brake System Connector End Views in ABS or Air Antilock Brake System Connector End Views in Air ABS
Wheel Speed Sensor (WSS) - LR | At the top of the left rear brake backing plate (JE3), or at the left rear air ABS harness connector (JE5) | Antilock Brake System Component Views in ABS or Air Antilock Brake System Component Views in Air ABS | Antilock Brake System Connector End Views in ABS or Air Antilock Brake System Connector End Views in Air ABS
Wheel Speed Sensor (WSS) - RF | At the top of the right front brake backing plate (JE3), or at the right front air ABS harness connector (JE5) | Antilock Brake System Component Views in ABS or Air Antilock Brake System Component Views in Air ABS | Antilock Brake System Connector End Views in ABS or Air Antilock Brake System Connector End Views in Air ABS
Wheel Speed Sensor (WSS) - RR | At the top of the right rear brake backing plate (JE3), or at the right rear air ABS harness connector (JE5) | Antilock Brake System Component Views in ABS or Air Antilock Brake System Component Views in Air ABS | Antilock Brake System Connector End Views in ABS or Air Antilock Brake System Connector End Views in Air ABS
Window Actuator Motor - Driver | Behind the driver door panel, part of the driver door window regulator | -- | Power Door Systems Connector End Views in Doors
Window Actuator Motor - Front Passenger | Behind the front passenger door panel, part of the front passenger door window regulator | -- | Power Door Systems Connector End Views in Doors
Window Switch - Driver | On the driver door panel | -- | Power Door Systems Connector End Views in Doors
Window Switch - Driver's Front Passenger | On the driver door panel | -- | Power Door Systems Connector End Views in Doors
Window Switch - Front Passenger | On the front passenger door panel | -- | Power Door Systems Connector End Views in Doors
Windshield Washer Fluid Pump | On the windshield washer reservoir | Wiper/Washer Component Views in Wipers/Washer Systems | Wiper/Washer Connector End Views in Wipers/Washer Systems
Windshield Wiper Motor | On the upper left side of the exterior bulkhead | Wiper/Washer Component Views in Wipers/Washer Systems | Wiper/Washer Connector End Views in Wipers/Washer Systems
C101 | From the engine harness to the dual electric horn harness, behind the left side of the front bumper impact bar | Harness Routing Views | Inline Harness Connector End Views
C102 | From the forward lamp harness to the engine harness, at the front of the right frame rail | -- | Inline Harness Connector End Views
C104/C105 | From the IP harness to the park brake harness, on the upper left side of the exterior bulkhead | -- | Inline Harness Connector End Views
C106a/C106b | From the engine harness to the starter temperature switch near the starter solenoid breakout | Harness Routing Views | Inline Harness Connector End Views
C107 | From the IP harness to the air ABS harness, on the left side of the exterior bulkhead | Harness Routing Views | Inline Harness Connector End Views
C109 | From the engine harness to the bank 1 ignition coil harness | -- | Inline Harness Connector End Views
C110 | From the engine harness to the bank 2 ignition coil harness | -- | Inline Harness Connector End Views
C112 | From the engine exhaust brake harness to the engine harness, forward of the bulkhead breakout | -- | Inline Harness Connector End Views
C113 | From the SERVICE TRANS FILTER indicator harness to the IP harness, at the left side of the exterior bulkhead | Harness Routing Views | Inline Harness Connector End Views
C115 | From the engine harness to the LG5 POA, part of assembly, engine harness, near the intake air (IA) heater relay | Harness Routing Views | Inline Harness Connector End Views
C119 | From the engine harness to the hydraulic ABS harness, on the left side of the exterior bulkhead | Harness Routing Views | Inline Harness Connector End Views
C123 | From the IP harness to the engine harness, in the engine compartment to the right of the underhood fuse block | Harness Routing Views | Inline Harness Connector End Views
C124 | From the engine harness to the ether injector harness, on the top center of the engine, to the rear | Harness Routing Views | Inline Harness Connector End Views
C125 | From the engine harness to the radiator shutter harness, forward of P100 near the exterior bulkhead | Harness Routing Views | Inline Harness Connector End Views
C127 | From the engine harness to the multiport fuel injector harness | -- | Inline Harness Connector End Views
C200 | From the IP harness to the engine harness, behind the left side of the IP | Harness Routing Views | Inline Harness Connector End Views
C201 | From the left outside rearview mirror harness to the IP harness, in the upper left side of the IP | Harness Routing Views | Inline Harness Connector End Views
C202 | From the IP harness to the cross cab power windows and door locks harness, at the upper right side of the IP | Harness Routing Views | Inline Harness Connector End Views
C204 | From the heater control harness to the IP harness, behind the center of the IP | Harness Routing Views | Inline Harness Connector End Views
C205 | From the IP harness to the dome lamp and rear speakers harness, in the lower left side of the IP, near the kick panel | Harness Routing Views | Inline Harness Connector End Views
C206 | From the IP harness to the tractor/trailer jumper harness, on the lower left side cowl panel above the rocker panel | Harness Routing Views | Inline Harness Connector End Views
C207 | From the IP harness to the tractor/trailer receptacle harness | -- | Inline Harness Connector End Views
C208 | From the IP harness to the right outside rearview mirror harness, in the upper right side of the IP | Harness Routing Views | Inline Harness Connector End Views
C210 | From the IP harness to the engine harness, behind the right center of the IP | Harness Routing Views | Inline Harness Connector End Views
C215 | From the IP harness to the cigar lighter and/or auxiliary power posts harness, behind the center of the IP | -- | Inline Harness Connector End Views
C218 | From the cross cab power windows and door locks harness to the right door harness, on the upper right side of the IP | Harness Routing Views | Inline Harness Connector End Views
C219 | From the cross cab power windows and door locks harness to the left door harness, on the upper left side of the IP | Harness Routing Views | Inline Harness Connector End Views
C220 | From the IP harness to the A/T IP extension harness, console mounted A/T shift lever, or to the IP mounted A/T shift lever, at the right side of the IP, by the blower motor | Harness Routing Views | Inline Harness Connector End Views
C221 | From the left power door lock and window harness to the cross cab power windows and door locks harness, on the left side of the IP | Harness Routing Views | Inline Harness Connector End Views
C222 | From the right power door lock and window harness to the cross cab power windows and door locks harness, on the right side of the IP | Harness Routing Views | Inline Harness Connector End Views
C223 | From the IP harness to the park brake pressure indicator switch, behind the left kick panel, above the rear of the park brake lever | Harness Routing Views | Inline Harness Connector End Views
C225 | From the IP harness to the IP harness, clutch pedal position switch shunt, behind the left side of the IP | -- | Inline Harness Connector End Views
C226 | From the IP harness to the IP harness, park brake shunt, behind the right side of the IP, on the left side of the convenience center | -- | Inline Harness Connector End Views
C227 | From the IP harness to the IP harness, clutch switch shunt, at the pedal support bracket | -- | Inline Harness Connector End Views
C228 | From the IP harness to the IP harness, cruise control shunt, near the upfitter accessory feed connector | -- | Inline Harness Connector End Views
C229 | From the IP harness to the roof marker lamps harness, at the upper left side of the IP near the cowl | Harness Routing Views | Inline Harness Connector End Views
C230 | From the A/T IP extension harness to the console mounted A/T shift lever harness | -- | Inline Harness Connector End Views
C403 | From the engine harness to the rear chassis harness, on the inboard side of the right frame rail by the battery(ies) | Harness Routing Views | Inline Harness Connector End Views
C404 | From the two speed rear axle harness to the rear chassis harness, on the inboard side of the right frame rail, to the rear of the battery(ies) | -- | Inline Harness Connector End Views
C405 | From the engine harness to the rear chassis harness, on the inboard side of the right frame rail near the battery(ies) | Harness Routing Views | Inline Harness Connector End Views
C406 | From the two speed rear axle harness to the rear chassis harness, on the inboard side of the right frame rail, to the rear of the battery(ies) | -- | Inline Harness Connector End Views
C408 | From the engine harness to the automatic transmission harness, on the left side of the engine near the bellhousing | Harness Routing Views | Inline Harness Connector End Views
C409 | From the engine harness to the automatic transmission harness, on the left side of the engine near the bellhousing | Harness Routing Views | Inline Harness Connector End Views
C411 | From the rear chassis harness to the fuel tank harness, near the transmission | Harness Routing Views | Inline Harness Connector End Views
C412 | From the rear chassis harness to the heated moisture ejector and air brake dryer harness | -- | Inline Harness Connector End Views
C419 | At the rear of the cab to the tractor/trailer receptacle harness | -- | Inline Harness Connector End Views
G101 | On the end of the starter | Power and Grounding Component Views | --
G103 | On the side of the starter | Power and Grounding Component Views | --
G108 | On the side of the power brake booster pump motor | Power and Grounding Component Views | --
G111 | From the engine harness to the inboard side of the right frame rail | -- | --
G117 | At the rear of the generator from the right side of the engine | -- | --
G119 | At the right side of the engine from the generator | -- | --
G124 | On the end of the starter solenoid | Power and Grounding Component Views | --
G208 | On the top left side of the steering column | Power and Grounding Component Views | --
G210 | On the right side of the IP at the upper side of the cowl | Power and Grounding Component Views | --
G211 | At the park brake pressure indicator switch | Power and Grounding Component Views | --
G400 | On the right frame rail near the batteries | Power and Grounding Component Views | --
G401/G402/G403/G404/G405/G406 | At the side of the right frame rail, in the ground block, part of the negative battery cable | Power and Grounding Component Views | --
G412 | At the inboard side of the left frame rail near the bulkhead | -- | --
P100 | The passthrough for the IP harness to the engine compartment, on the left side of the bulkhead | Harness Routing Views | --
P101 | The passthrough for the IP harness to the engine compartment, on the right side of the bulkhead | -- | --
P401 | The passthrough for the IP harness to the rear of the cab | -- | --
P500 | The passthrough for the IP harness to the left door | Harness Routing Views | --
P600 | The passthrough for the IP harness to the right door | -- | --
R401 | In the late LG5 engine harness, 11 cm (4 in) from the powertrain control module connector | -- | --
R402 | In the late LG5 engine harness, 11 cm (4 in) from the transmission control module connector | -- | --
S101 | In the dual electric horn harness, behind the right side of the front bumper, 21 cm (8 in) from the horn connector | -- | --
S105 | In the forward lamp harness, 20 cm (8 in) from the right park/turn signal lamp breakout | -- | --
S107 | In the LG5 engine harness, 10 cm (4 in) from the breakout for C123 and C124, toward the breakout for the starter relay | -- | --
S108 | In the LG5 engine harness, 14 cm (6 in) from the fuel heater breakout, toward the engine oil pressure gauge sensor breakout | -- | --
S110 | In the LG5 engine harness, 23 cm (9 in) from the coolant level switch breakout, toward the engine coolant temperature switch (UER) breakout | -- | --
S111 | In the LG5 engine harness branch for the transmission control module (TCM) interface module connectors, 30 cm (12 in) from the breakout for the transmission control module (TCM) interface module connectors, toward the main harness | -- | --
S112 | In the LG5 engine harness, 4 cm (2 in) from the fuel heater breakout, toward the coolant level switch breakout | -- | --
S113 | In the engine side ofthe IP harness, 8 cm (3 in) away from the exterior upfitter AUX WRG connector breakout toward P100 | -- | --
S114 | In the engine side of the IP harness, 5 cm (2 in) away from the exterior upfitter AUX WRG connector breakout toward P100 | -- | --
S115 | In the LG5 engine harness, 10 cm (4 in) from the PCM breakout, toward the engine oil pressure switch breakout | -- | --
S117 | In the engine side of the IP harness, 7 cm (3 in) from the windshieldwiper motor breakout toward the exterior upfitter AUX WRG connector breakout | -- | --
S118 | In the engine side of the IP harness, 10 cm (4 in) from the underhood fuse block breakout toward the windshield wiper motor | -- | --
S119 | In the L18 engine harness, 4 cm (2 in) from the breakout for the throttle actuator control motor, toward the branch for the throttle position sensor | -- | --
S120 | In the L18 engine harness, 7 cm (3 in) into the branch to the generator connector C2 | -- | --
S123 | In the late LG5 (w/MTW/MX4) engine harness, 7 cm (3 in) from the breakout for the PCM toward the breakout for the automatic transmission input shaft (ISS) speed sensor | -- | --
S124 | In the L18 engine harness, 4 cm (2 in) from the breakout for C123, toward the breakout for the MAP sensor | -- | --
S125 | In the LG5 engine harness branch for TCM connector C1, 7 cm (3 in) from the breakout for the TCM connector C1 | -- | --
S128 | In the LG5 engine harness, 30 cm (12 in) from the branch to the transmissioncontrol module (TCM) interface module, toward P100 | -- | --
S129 | In the LG5 engine harness,12 cm (5 in) from the engine coolant temperature gauge sensor breakout, toward the breakout for C123 and C124 | -- | --
S131 | In the engine harness, at the starter solenoid B+ terminal, fusible link M | -- | --
S132 | In the engine side of the IP harness, 10 cm (4 in) from the windshield wiper motor breakout toward the ABS relay center | -- | --
S133 | In the LG5 engine harness, 5 cm (2 in) forward of the TCM breakout | -- | --
S136 | In the L18 engine harness, in the branch toward P101 | -- | --
S137 | In the L18 engine harness, in the branch toward P101 | -- | --
S138 | In the L18 engine harness, in the branch toward P101 | -- | --
S139 | In the engine side of the L18/late LG5 IP harness, 7 cm (3 in) from the exterior upfitter AUX WRG connector breakout toward the windshield wiper motor connector breakout (L18), or 11 cm (4 in) from the windshield wiper motor connector breakout toward the exterior upfitter AUX WRG connector breakout (late LG5) | -- | --
S141 | In the L18 bank 1 ignition coil harness, 15 cm (6 in) from C109 | -- | --
S142 | In the L18 engine harness, 12 cm (5 in) from the breakout for C121, toward the powertrain control module | -- | --
S145 | In the L18 bank 2 ignition coil harness, 27 cm (11 in) from C110 | -- | --
S147 | In the engine side of the IP harness, 2 cm (1 in) from the conduit end at connector C105 to the park brake harness | -- | --
S148/S151 | In the ether injector harness diode splice, 17 cm (7 in) from the ether injector control valve | -- | --
S149 | In the L18 engine harness, 33 cm (13 in) from the breakout for C121, toward the powertrain control module | -- | --
S150 | In the engine side of the IP harness, 6 cm (2 in) from the power brake booster pump motor breakout toward the ABS relay center | -- | --
S169 | In the engine side of the early LG5 IP harness, 4 cm (2 in) from the breakout for the underhood fuse block, toward the windshield washer fluid pump | -- | --
S170 | In the air ABS harness branch to the EBCM, 17 cm (7 in) from the breakout for G412 | -- | --
S175 | In the air ABS harness branch to the EBCM, 10 cm (4 in) from the breakout for G412 | -- | --
S176 | In the L18 bank 2 ignition coil harness, 20 cm (8 in) from the ignition coil - 8 connector | -- | --
S177 | In the L18 bank 1 ignition coil harness, 20 cm (8 in)from the ignition coil - 7 connector | -- | --
S178 | In the L18 bank 2 ignition coil harness, 15 cm (6 in) from C110 | -- | --
S179 | In the L18 engine harness, 10 cm (4 in) from the breakout for C123, toward the breakout for the starter relay | -- | --
S180 | In the L18 engine harness, 4 cm (2 in) from the breakout for C121, toward the PCM connectors | -- | --
S181 | In the L18 bank 1 ignition coil harness, 36 cm (14 in )from C109 | -- | --
S182 | In the LG5 engine harness, at the generator C1 terminal, at the end of fusible link N | -- | --
S183 | In the late LG5 (w/MTW/MX4) engine harness, 14 cm (6 in) from the breakout for the PCM toward the breakout for the automatic transmission input shaft speed (ISS) sensor | -- | --
S184 | In the L18 engine harness, 8 cm (3 in) from the branch to the CKP sensor toward the breakout for the bank 1 heated oxygen sensor | -- | --
S185 | In the L18 engine harness, 8 cm (3 in) from the breakout for C123, toward the breakout for the starter relay | -- | --
S186 | In the L18 engine harness, 12 cm (5 in) from the branch to the CKP sensor toward the breakout for the bank 1 heated oxygen sensor | -- | --
S187 | In the L18 multiport fuel injection fuel rail wiring harness, 8 cm (3 in) from the breakout for fuel injector - 5 | -- | --
S188 | In the L18 multiport fuel injection fuel rail wiring harness, 7 cm (3 in) from the breakout for fuel injector - 6 | -- | --
S190 | In the engine side of the IP harness, 4 cm (2 in) from the underhood fuse block breakout, toward the windshield wiper motor breakout | -- | --
S191 | In the L18 engine harness,12 cm (5 in) from the breakout for C123, toward the breakout for the starter relay | -- | --
S192 | In the LG5 engine harness, 73 cm (29 in)from P100 toward the breakout for the powertrain control module | -- | --
S193 | In the engine harness, 40 cm (16 in) from P100 toward the bank1HO2S (L18), or 60 cm (24 in) from the fuel heater breakout toward the engine oil pressure gauge sensor breakout | -- | --
S194 | In the L18 engine harness, 16 cm (6 in) from the breakout for C123, toward the breakout for the starter relay | -- | --
S195 | In the LG5 engine harness,7 cm (3 in) from the coolant level switch breakout, toward the engine coolant temperature switch (UER) | -- | --
S196 | In the LG5 engine harness, 71 cm (28 in) from P100 toward the breakout for the powertrain control module | -- | --
S197 | In the LG5 engine harness, 16 cm (6 in) from the transmission control module (TCM) interface module connectors | -- | --
S198 | In the LG5 engine harness ,18 cm (7 in) from the branch for the transmission control module (TCM) interface module breakout, toward P100 | -- | --
S199 | In the engine harness, 8 cm (3 in) from the breakout for C123 toward the MAP sensor, or 19 cm (7 in) from the breakout for the starter solenoid toward the breakout for the upfitter body MKR LP connector (LG5) | -- | --
S200 | In the IP harness ,8 cm (3 in) from the turn signal/hazard flasher module breakout toward P100 | -- | --
S201 | In the LG5 IP harness, 10 cm (4 in) from P100 | -- | --
S202/S203 | In the LG5 IP harness, diode splice, 23 cm (9 in) from connector C210, toward the breakout for the convenience center | -- | --
S204 | In the IP harness, 7 cm 3 in) from the breakout for the blower motor connectors and G210 | -- | --
S205 (JE5) | In the IP harness, 40 cm (16 in) from the instrument panel cluster breakout toward the data link connector breakout | -- | --
S206 (JE3) | In the IP harness, 40 cm (16 in) from the instrument panel cluster breakout toward the data link connector breakout | -- | --
S208 | In the IP harness 18 cm (7 in) from the instrument panel cluster breakout toward the data link connector breakout | -- | --
S209 | In the IP harness, 28 cm (11 in) from the convenience center breakout toward the instrument panel cluster | -- | --
S211 | In the IP harness, 24 cm (9 in) from the convenience center breakout toward the instrument panel cluster | -- | --
S213 | In the IP harness,4 cm (2 in) from the data link connector breakout toward C200 | -- | --
S214 | In the IP harness, 8 cm (3 in) from the convenience center breakout toward the instrument panel cluster | -- | --
S215 | In the cross cab power windows and door locks harness, 4 cm (2 in) from the breakout for the IP connector C202 toward the left door lock switch connector C219 | -- | --
S216 | In the heater harness, 16 cm (6 in) from connector C204 to the IP harness | -- | --
S217 | In the IP harness, 4 cm (2 in) from the turn signal/multifunction switch C1 breakout toward the turn signal/hazard flasher module breakout | -- | --
S219 | In the IP harness, 8 cm (3 in) from the upfitter accessory feed connector breakout, toward the IP cluster connector breakout | -- | --
S221 | In the IP harness, 10 cm (4 in) from the instrument panel cluster breakout toward the data link connector breakout | -- | --
S222 | In the IP harness 14 cm (6 in) from the instrument panel cluster breakout toward the data link connector breakout | -- | --
S223 | In the IP harness, 22 cm (9 in) from the instrument panel cluster breakout toward the data link connector breakout | -- | --
S224 | In the IP harness, 26 cm (10 in) from the instrument panel cluster breakout toward the data link connector breakout | -- | --
S225 | In the IP harness 30 cm (12 in) from the instrument panel cluster breakout toward the data link connector breakout | -- | --
S226 | In the early LG5 IP harness36 cm (14 in) from the instrument panel cluster breakout toward the data link connector breakout | -- | --
S227 | In the IP harness, 15 cm (6 in) from the data link connector breakout toward C200 | -- | --
S228 | In the IP harness, 33 cm (13 in) from the headlamp switch connector | -- | --
S229 | In the IP harness, 17 cm (7 in) from the data link connector breakout toward C200 | -- | --
S230 | In the IP harness, 7 cm (3 in) from the breakout for connector C200 toward the driver door jamb switch breakout | -- | --
S231 | In the IP harness, 6 cm (2 in) into the multifunction alarm module breakout from the main harness | -- | --
S232 | In the IP harness, 10 cm (4 in) from the multifunction alarm module breakout toward the breakout for C200 | -- | --
S233 | In the IP harness 12 cm (5 in) from passthrough P100 toward C200 | -- | --
S234 | In the IP harness 7 cm (3 in) from the turn signal/multifunction switch C1 breakout toward the headlamp dimmer switch breakout | -- | --
S235 | In the IP harness, 4 cm (2 in) from the turn signal/hazard flasher module breakout toward P100 | -- | --
S236 | In the IP harness, 6 cm (2 in) from the turn signal/hazard flasher module breakout toward P100 | -- | --
S243 | In the L18 IP harness, 4 cm (2 in) from the park brake control module/C205 breakout toward P100 | -- | --
S244 | In the L18 IP harness, 7 cm 3 in) from the breakout for the stop lamp switch interface module toward the convenience center | -- | --
S245 | In the center console mounted or the IP mounted A/T shift lever harness, 35 cm (14 in or 40 cm (16 in) from the A/T shift lever connector | -- | --
S247 | In the heater harness, 6 cm (3 in) from the blower motor switch breakout toward the left heater control lamp | -- | --
S249 | In the IP harness, 18 cm 7 in) from the IP cluster connector breakout toward the convenience center | -- | --
S251 | In the IP harness, 7 cm (3 in) into the outside heated mirror switch breakout | -- | --
S253 | In the cross cab power windows and door locks harness, 4 cm (2 in) from the breakout for the IP connector C202 toward the right door lock switch connector C218 | -- | --
S254 | In the IP harness, 44 cm (17 in) from the radio connector breakout toward the IP fuse block breakout | -- | --
S256 | In the center console mounted or the IP mounted A/T shift lever harness, 16 cm (6 in) or 30 cm (12 in) from the A/T shift lever connector | -- | --
S258 | In the L18 IP harness, 11 cm (4 in) from the breakout for the stoplamp switch interface module, toward the convenience center | -- | --
S260 | In the L18 IP harness, 5 cm (2 in) from the breakout for C205 to the dome lamp/rear speakers toward the breakout for C200 | -- | --
S261 | In the LG5 IP harness, 4 cm (2 in) from the breakout for the convenience center toward the breakout for C210 | -- | --
S262/S263 | In the IP harness, diode splice, 5 cm (2 in) from the breakout for the instrument panel cluster, toward the breakout for the convenience center | -- | --
S272 | In the HVAC harness, 7 cm (3 in) from the breakout for the mode actuator toward the breakout for the air temperature actuator | -- | --
S273 | In the HVAC harness, 14 cm (6 in) from the breakout for the mode actuator toward the breakout for the air temperature actuator | -- | --
S274 | In the IP harness, 8 cm (3 in) from the breakout for the instrument panel cluster, toward the breakout for the convenience center | -- | --
S401 | In the rear chassis harness, 5 cm (2 in) to the rear of the ground block breakout | -- | --
S402 | In the rear chassis harness, 10 cm (4 in) to the rear of the ground block breakout | -- | --
S406 | In the fuel tank harness, 10 cm (4 in) from the left fuel pump and sender assembly breakout | -- | --
S408 | In the heated moisture ejector and air brake dryer harness, 10 cm (4 in) from the breakout for C412 toward the heated moisture ejector valve | -- | --
S409 | In the heated moisture ejector and air brake dryer harness, 30 cm (12 in) from the breakout for C412 toward the heated moisture ejector valve | -- | --
S411 | In the late LG5 engine harness, 11 cm (4 in) from the powertrain control module connector | -- | --
S410/S412 | In the late LG5 engine harness, resistor splice, 11 cm 4 in) from the powertrain control module connector | -- | --
S413 | In the fuel tank harness, 5 cm (2 in) from the left fuel pump and sender assembly breakout toward C411 | -- | --
S414 | In the late LG5 engine harness, 11 cm (4 in) from the transmission control module connector | -- | --
S415 | In the fuel tank harness, 15 cm (6 in) from the left fuel pump and sender assembly breakout toward C411 | -- | --
S418 | In the two speed axle control harness, 5 cm (2 in) forward of the breakout for the two speed rear axle shift relay toward C404 | -- | --
S420/S421 | In the late LG5 engine harness, resistor splice, 11 cm (4 in) from the transmission control module connector | -- | --
S441 | In the auto apply park brake harness 9 cm (4 in) from the park brake pressure sensor connector | -- | --
S501 | In the right power door lock and window harness, 3 cm (1 in) from the window actuator motor breakout toward P500 | -- | --
S503 | In the right power window harness, 3 cm (1 in) from the driver window switch | -- | --
S601 | In the right power door lock harness, 5 cm (2 in) from the right door lock actuator | -- | --
S603 | In the right power door lock harness, 3 cm (1 in) from the right door lock actuator | -- | --
S900 | In the rear chassis and tail lamps harness, 5 cm (2 in) before the taillamps breakout | -- | --
S901 | In the rear chassis and taillamps harness, 14 cm (6 in) forward of the right tail lamp breakout, or 10 cm (4 in) forward of the left tail lamp breakout | -- | --