For 1990-2009 cars

### Engine Compartment Fuse Block

Fuse/Circuit Breaker/ Relay | Rating | Description
--- | --- | ---
1 - AIR CONDITIONING CENTER Relay | -- | A/C Compressor Relay
2 | -- | Not Used
3 | -- | Not Used
4 - HORN Relay | -- | Horn Relay
5 | -- | Not Used
6 - FOG LAMP 2 Relay (Oldsmobile) | -- | Fog Lamp Relay
6 (Buick) | -- | Not Used
7 - COOLING FAN #2 Relay | -- | Cooling Fan Relay #2
8 - COOLING FAN #3 Relay | -- | High Speed Cooling Fan Relay #3
9 - COOLING FAN Fuse | 60A | Cooling Fan Relay #1, Cooling Fan Relay #2
10 - ABS MAIN Fuse | 30A | ABS Main Relay, Electronic Brake (and Traction) Control Module (EBCM/EBTCM)
11 - ABS PUMP MOTOR Fuse | 40A | ABS Pump Relay
12 - FOG LAMP Fuse (Oldsmobile) | 20A | IP Fuse Block (FOG LAMP Fuse), Headlamp Dimmer
12 (Buick) | -- | Not Used
13 - HORN Fuse | 20A | Horn Relay, Horns
14 | -- | Not Used

### IP Fuse Block (Oldsmobile)

Fuse/Circuit Breaker/Relay | Rating | Description
--- | --- | ---
1 - AIR BAG Fuse | 10A | Inflatable Restraint Sensing and Diagnostic Module (SDM)
2 - INJ 2 Fuse | 10A | Fuel Injectors for Cylinders #1, #4, #6, #7
3 - ABS Fuse | 10A | ABS Main Relay, Electronic Brake (and Traction) Control Module (EBCM/EBTCM)
4 - LH EXT LPS Fuse | 10A | LH Rear Side Marker Lamp, LH Front Side Marker Lamp, LH Front Park/Turn Lamp, LH Tail/Stop/Turn Lamp
5 - TURN LPS Fuse | 15A | Turn Signal Flasher
6 - INJ 1 Fuse | 10A | Fuel Injectors for Cylinders #2, #3, #5, #8
7 - HVAC CONT Fuse | 10A | Heater A/C Control, Heater and A/C Programmer, ELC Relay, RR Defog #2 Relay, RR Defog #1 Relay, Instrument Cluster, Variable Steering Module, Automatic Level Control Sensor, Heated Seat Modules
8 - RH EXT LPS Fuse | 10A | RH Tail/Stop/Turn Lamp, License Plate Lamps, RH Rear Side Marker Lamp, RH Cornering Lamp, RH Front Park/Turn Lamp, RH Front Side Marker Lamp
9 - CHIME (IGN 1) Fuse | 10A | Instrument Cluster, Remote Indicator Bank, Automatic Day/Night Mirror, Memory Seat Mirror Module, Remote Function Actuator (RFA) Module, Body Control Module (MALL), Console Compartment Lamp, IP Compartment Lamp
10 - PCM Fuse | 10A | Powertrain Control Module (PCM), PASSkey®II Theft Deterrent Module, Instrument Cluster
11 - AUX PWR Fuse | 20A | Accessory Power Receptacle, PRNDL Indicator Lamp
12 - INT LPS Fuse | 10A | LH Dimmer Module, RH Dimmer Module, Fog Lamp Switch, Panel Dimming Switch
13 - SHIFT SOLS Fuse | 10A | Transmission, ABS/TCC Switch, Evaporative Emissions (EVAP) Vent Valve, Evaporative Emissions Control Solenoid, HO2S Bank 1 - Sensor 1
14 - LINEAR EGR Fuse | 10A | EGR Valve, PCM, Power Steering Pressure Switch, Mass Air Flow (MAF) Sensor, HO2S Bank 2 -Sensor 1
15 - CRUISE CNTRL Fuse | 15A | Cruise Control Module, Multifunction Lever
16 - PERIM LIGHTS Fuse | 15A | Perimeter Lighting Relay, Cornering Lamps
17 - DIS Fuse | 15A | Ignition Control Module
18 - CNVRTR OXYGEN SENSORS Fuse | 10A | HO2S Bank 2 - Sensor 2
19 - RADIO Fuse | 10A | Radio, Steering Wheel Controls
20 | -- | Not Used
HVAC RELAY Fuse | 10A | A/C Compressor Relay, A/C Compressor Clutch
FOG LAMPS Fuse | 15A | Fog Lamp Enable Relay, Fog Lamps
WSW Fuse | 25A | Windshield Wiper/Washer Switch, Remote Function Actuator (RFA) Module
FLAT PACK MTR Fuse | 10A | Flat Pack Motors
TMNSS Fuse | 15A | Park/Neutral Position (PNP) Switch
C/LTR Fuse | 25A | Cigar Lighters
CRANK Fuse | 10A | Starter Enable Relay
HVAC BLOWER Fuse | 10A | Blower Motor, Blower Control Module

### IP Fuse Block (Buick)

Fuse/Circuit Breaker/Relay | Rating | Description
--- | --- | ---
1 - AIR BAG Fuse | 10A | Inflatable Resistant Sensing and Diagnostic Module (SDM)
2 - INJ Fuse | 15A | Fuel Injectors
3 - ABS Fuse | 10A | ABS Main Relay, Electronic Brake (and Traction) Control Module (EBCM/EBTCM)
4 - LH EXT LPS Fuse | 10A | LH Side Marker Lamps, LH Front Park/Turn Lamps, LH Tail/Stop/Turn Lamps, LH Tail Lamp
5 - TURN LPS Fuse | 15A | Turn Signal Flasher
6 - OXYGEN SENSOR Fuse | 10A | HO2S Bank 1 Sensor 1, HO2S Bank 1 Sensor 2, Boost Control solenoid, Evaporative Emissions Purge Solenoid, TCC Pressure Switch, Evaporative Emissions Canister Vent Solenoid
7 - HVAC CONT Fuse | 10A | Heated Seat Modules, Automatic Level Control Sensor, Defog Relays, Automatic Level Control Relay, Heater A/C Programmer, Variable Steering Module, Heater A/C Control, Passenger Temperature Control, Engine Coolant Level Switch
8 - RH EXT LPS Fuse | 10A | RH Cornering Lamp, RH Front Park/Turn Lamp, RH Side Marker Lamps, License Plate Lamps, RH Tail/Stop/Turn Lamp, RH Tail Lamp
9 - HVAC RELAY Fuse | 10A | A/C Compressor Relay, A/C Compressor Clutch
10 - MAF Fuse | 10A | Mass Air Flow (MAF) Sensor, Powertrain Control Module (PCM)
11 - AUX PWR Fuse | 20A | Accessory Power Receptacles
12 - INT LPS Fuse | 10A | LH Dimmer Module, Headlamp Switch, Underhood Lamp
13 - CHIME (IGN 1) Fuse | 10A | Lamp Control Module (LCM), Instrument Cluster, Memory Seat /Mirror Module, Remote Function Actuator (RFA) Module, Body Control Module (MALL), IP Compartment Lamp, Automatic Day/Night Mirror
14 - TMNSS Fuse | 15A | Park/Neutral Position (PNP) Switch
15 - CRUISE CNTRL Fuse | 15A | Cruise Control Module, Multifunction Lever
16 - PERIM LIGHTS Fuse | 15A | Perimeter Lighting Relay, Cornering Lamps
17 | -- | Not Used
18 | -- | Not Used
19 - RADIO Fuse | 10A | Radio, Steering Wheel Controls
20 - CLNG FAN Fuse | 10A | Cooling Fan Relay #1, High Speed Cooling Fan Relay, Seires/Parallel Cooling Fan Relay, ABS/TCC Switch
21 | -- | Not Used
22 | -- | Not Used
23 - WSW Fuse | 25A | Windshield Wiper/Washer Switch, Remote Function Actuator (RFA) Module
24 - FLAT PACK MTR Fuse | 10A | Flat Pack Motors
25 - PCM Fuse | 10A | Powertrain Control Module (PCM), PASSkey®II Theft Deterrent Module, Instrument Cluster
26 - C/LTR Fuse | 15A | Cigar Lighter
27 - CRANK Fuse | 10A | Instrument Cluster
28 - HVAC BLOWER Fuse | 10A | Blower Motor, Blower Control Module

### RH Rear Fuse Block (Oldsmobile)

Fuse/Circuit Breaker/Relay | Rating | Description
--- | --- | ---
SPARE | 10A | Spare
SPARE | 10A | Spare
PWR WDO / SUNRF Circuit Breaker | 25A | LH Front Power Window Switch, Express Down Module, Sunroof Control Module
SPARE | 10A | Spare
SPARE | 10A | Spare
SPARE | 15A | Spare
SPARE | 15A | Spare
PWR ST Circuit Breaker | 25A | Lumbar Seat Module, Memory Seat/Mirror Module, RH Seat Switch
SPARE | 30A | Spare
SPARE | 25A | Spare
PWR ST Fuse | 50A | Power Seat Circuit Breaker
HDLP Circuit Breaker | 20A | Lamp Control Module
HVAC BLO MOT Fuse | 30A | Blower Motor Control
PCM/VATS Fuse | 20A | Powertrain Control Module (PCM), PASSkey®II Theft Deterrent Module
IGN 3 Fuse | 60A | Ignition Switch, F/PMP Fuse
IGN 1 Fuse | 60A | Ignition Switch, Retained Accessory Power Relay
DEFOG RR Fuse | 60A | RR Defog #1 Fuse
F/DR RELEASE TRUNK PULLDOWN Fuse | 40A | Trunk Release Fuse, C/LTR Fuse
ELC Fuse | 30A | Automatic Level Control Sensor, Automatic Level Control Compressor, Automatic Level Control Relay
HTD SEAT / IP Fuse | 60A | HTD ST Fuse, I/P 1 Fuse, I/P 2 Fuse, BATT THERM Fuse
EXT LP Fuse | 60A | PARK LP Fuse, HZRD/STOP LPS Fuse, INTR LP Fuse, PWD DR LK Fuse
BOSE® Fuse | 20A | Bose® Amplifier
PWR DR LK Fuse | 15A | Body Control Module (MALL), LH Front Door Lock Isolation Relay
INTR LP Fuse | 10A | Body Control Module (MALL)
HZRD/STOP Fuse | 20A | Hazard Flasher, Stoplamp/BTSI Switch
PARK LP Fuse | 25A | Lamp Control Module
HDT MIR Fuse | 10A | Outside Power Mirrors
F/DR REL Fuse | 20A | Release Switch
CLG FAN Fuse | 10A | Cooling Fan Relay #1, High Speed Cooling Fan Relay, Series/Parallel Cooling Fan Relay
BATT THERM Fuse | 10A | Battery Thermistor
I/P 2 Fuse | 10A | Power Antenna Relay, Radio, Compact Disc (CD) Changer
I/P 1 Fuse | 10A | Remote Indicator Bank, Remote Function Actuator (RFA) Module, Heater and A/C Control, Heater and A/C Programmer, Data Link Connector (DLC), DAB ACSRY Relay, Instrument Cluster, Outside Mirror Switch, Seat Lock Switches, LH Seat Switch
HTD SEAT Fuse | 25A | Heated Seats
F/PMP Fuse | 15A | Fuel Pump Relay, Fuel Tank Unit
RR DEFOG 2 Fuse | 30A | Rear Defog Relay #2, Rear Window Defogger Upper Zone
RR DEFOG 1 Fuse | 30A | Rear Defog Relay #1, Rear Window Defogger Lower Zone

### RH Rear Fuse Block (Buick)

Fuse/Circuit Breaker/Relay | Rating | Description
--- | --- | ---
SPARE | 10A | Spare
SPARE | 10A | Spare
PWR WDO/SUNRF Circuit Breaker | 25A | Front Power Window Switches, Express Down Module, Sunroof Control Module
SPARE | 15A | Spare
SPARE | 15A | Spare
SPARE | 20A | Spare
SPARE | 20A | Spare
PWR ST Circuit Breaker | 25A | Memory Seat Mirror Module, Seat Switches, Lumber Switches
SPARE | 30A | Spare
SPARE | 25A | Spare
PWR ST Fuse | 50A | Power Seat Circuit Breaker
HDLP Circuit Breaker | 20A | Lamp Control Module
HVAC BLO MTR Fuse | 30A | Blower Control Module
PCM/VATS Fuse | 20A | Powertrain Control Module (PCM), PASSkey®II Theft Deterrent Module
IGN 3 Fuse | 60A | Ignition Switch, F/PMP Fuse
IGN 1 Fuse | 60A | Ignition Switch, Retained Accessory Power Relay
DEFOG RR Fuse | 60A | RR Defog Fuse #1
TRUNK FDR REL Fuse | 40A | Trunk Release Fuse, C/LTR Fuse
ELC Fuse | 30A | Automatic Level Control Sensor, Automatic Level Control Compressor, Automatic Level Control Relay
HTD ST / IP Fuse | 60A | HTD ST Fuse, I/P 1 Fuse, I/P 2 Fuse, BATT THERM Fuse
EXT LP Fuse | 60A | PARK LP Fuse, HZRD/STOP LPS Fuse, INTR LP Fuse, PWR DR LK Fuse
PWR DR LK Fuse | 15A | Body Control Module (MALL), LH Front Door Lock Isolation Relay, Seatbelt Retractor Solenoids
INTR LP Fuse | 10A | Body Control Module (MALL)
HZRD/STOP Fuse | 20A | Hazard Flasher, Stoplamp/BTSI Switch
PARK LP Fuse | 25A | Lamp Control Module
HTD MIR Fuse | 10A | Outside Power Mirrors
F/DR REL Fuse | 15A | Fuel Door Release Switch
TRUNK REL Fuse | 15A | Rear Compartment Lid Release Relay, Rear Compartment Lid Release Actuator
BATT THER Fuse | 10A | Battery Thermistor
I/P 2 Fuse | 10A | Power Antenna Relay, Radio, Compact Disc (CD) Changer
I/P 1 Fuse | 10A | Remote Function Actuator (RFA) Module, Heater and A/C Programmer, Outside Mirror Switch, Instrument Cluster, Data Link Connector (DLC), DAB ASCRY Relay
HTD ST Fuse | 25A | Heated Seats
F/PMP Fuse | 20A | Fuel Pump Relay, Fuel Tank Unit, Ignition Switch
RR DEFOG 2 Fuse | 30A | Rear Defog Relay #2, Rear Window Defogger Upper Zone
RR DEFOG 1 Fuse | 30A | Rear Defog Relay #1, Rear Window Defogger Lower Zone

### LH Rear Fuse Block

Fuse/Circuit Breaker/Relay | Rating | Description
--- | --- | ---
ELC Relay | -- | Automatic Level Control Compressor
TRUNK REL Relay | -- | Valet Switch, RFA, Rear Compartment Lid Release Actuator
F/PMP Relay | -- | Fuel Tank Unit
D/DOOR UNLOCK Relay | -- | Door Lock Actuators
DEFG - RR #2 Relay | -- | Rear Defogger (Lower Zone), HTD O/S MIR Fuse
DEFG - RR #1 Relay | -- | Rear Defogger (Upper Zone), Heater and A/C Programmer
SPARE | 20A | Spare
SPARE | 40A | Spare
SPARE | 60A | Spare
DAB ACSRY Relay | -- | RADIO Fuse, PWR WDO/SUNRF Circuit Breaker