For 1990-2009 cars

Connector 1: | Fuse Block - Underhood Label
Connector 2: | Fuse Block - Underhood Top View
Connector 3: | Fuse Block - Underhood Bottom View
Connector 4: | Fuse Block - Underhood C1
Connector 5: | Fuse Block - Underhood C2
Connector 6: | Fuse Block - Underhood C4
Connector 7: | Fuse Block - Underhood C5
Connector 8: | Fuse Block - Underhood C6
Connector 9: | Fuse Block - Underhood C7

### Fuse Block - Underhood Label

#### Fuse Block - Underhood Label Usage

No. | Device | Rating | Description
--- | --- | --- | ---
1 | STOP | 20A | Stop Lamp Switch
2 | AUX | 20A | Auxiliary Power Outlets, Data Link Connector (DLC)
5 | A/C | 10A | HVAC Control Module, Driver Seat Module (Heated Seat Switch), Passenger Seat Module (Heated Seat Switch)
8 | WIP/WASH | 10A | Windshield Wiper/Washer Switch
9 | FOG LP (T96) | 15A | Fog Lamp Relay
10 | IGN TRNSD | 10A | Ignition Switch (Transducer)
11 | LH HDLP | 10A | Headlamp Assembly - Left
12 | RH HDLP | 10A | Headlamp Assembly - Right
13 | FUEL PMP | 15A | Fuel Pump
14 | WIPER | 25A | Windshield Wiper Relay
15 | FRT AX | 15A | Front Axle Actuator (4WD)
16 | ABS | 10A | Electronic Brake Control Module (EBCM), Yaw Rate Sensor (4WD)
17 | SIR | 10A | Inflatable Restraint Sensing and Diagnostic Module (SDM), Inflatable Restraint I/P Module Disable Switch (C99)
18 | HTD SEAT | 20A | Heated Seat Assembly - Driver, Heated Seat Assembly - Passenger
19 | CRUISE | 10A | Inside Rearview Mirror w/Reading Lamps (DC4 w/UE1 or DF8), Cruise Control Switch (K34), Transfer Case Control Module (NP1)
20 | ETC | 15A | Powertrain Control Module (PCM)
21 | DOOR LOCK | 20A | Door Lock Switch - Driver (AU3)
22 | INJECTOR | 15A | Fuel Injectors
23 | IGN | 15A | Clutch Start Switch (MA5), Ignition Coil 1 Module, Ignition Coil 2 Module, Ignition Coil 3 Module, Ignition Coil 4 Module, Ignition Coil 5 Module (3.5L), Park/Neutral Position (PNP) Switch (M30), A/C Compressor Clutch Relay
24 | TRANS | 10A | Transmission Solenoids
25 | PCMI | 10A | Powertrain Control Module (PCM) - C1
26 | BACKUP | 15A | Park/Neutral Position (PNP) Switch
27 | ERLS | 15A | Evaporative Emission (EVAP) Canister Purge Solenoid Valve, MAF/IAT Sensor
28 | TURN/HAZ RR | 15A | Body Control Module (BCM) (Bulb Out - LR, RR Turn Signal)
29 | RR PK LP2 | 10A | Left Tail Lamp Assembly, Body Control Module (BCM) - Dimmed Lights, Passenger Airbag Indicator
30 | PCM B | 10A | Powertrain Control Module (PCM) - C1 (Battery)
31 | ON STAR | 10A | Vehicle Communication Interface Module (VCIM)
32 | RADIO | 15A | Radio
33 | CIGAR | 20A | Cigar Lighter
34 | TBC | 10A | Body Control Module (BCM) - C1
35 | HORN | 10A | Horn Relay
36 | TCCM | 10A | Transfer Case Shift Control Module (4WD)
37 | TURN/HAZ FR | 15A | Body Control Module (BCM) (Bulb Out - LF, RF Turn Signal)
38 | CLUSTER | 10A | Instrument Panel Cluster (IPC)
39 | RR PK LP | 15A | Right Tail Lamp Assembly, License Lamps
40 | FR PK LP | 10A | Park Lamp - LF, Park Lamp - RF, Window Switch - Driver, Window Switch - Passenger, Window Switch - LR (Crew Cab), Window Switch - RR (Crew Cab)
41 | BLOWER | 30A | HVAC Blower Motor
42 | PWR/WINDOW | 30A | Power Window - Driver, Power Window - Passenger, Power Window - RR (Crew Cab), Power Window - LR (Crew Cab)
43 | START | 30A | START Relay
44 | ABS 2 | 40A | Electronic Brake Control Module (EBCM) (Relay)
45 | ABS 1 | 30A | Electronic Brake Control Module (EBCM)
46 | PWR/SEAT | 40A | Seat - Driver (Circuit Breaker)
47 | BEAM SEL Relay | -- | Headlamp - LH (w/o TT5), Headlamp - RH (w/o TT5), Headlamp - Low Beam - Right/Left (TT5), Headlamp - High Beam - Right/Left (TT5)
50 | A/C COMP Relay | -- | A/C Compressor Clutch Relay
51 | FUEL PUMP Relay | -- | Fuel Tank Pressure (FTP) Sensor, Fuel Pump and Sender Assembly
52 | FOG LP Relay (T96) | -- | Fog Lamp - LF, Fog Lamp - RF
53 | PARK LP Relay | -- | FR PK LP Fuse, RR PK LP Fuse, RR PK LP2 Fuse
54 | HD LP Relay | -- | RH HDLP Fuse, LH HDLP Fuse
55 | HORN Relay | -- | Horn Assembly
56 | POWERTRAIN Relay | -- | ETC Fuse, O2 Sensor Fuse
57 | WIPER Relay | -- | WIPER 2 Relay
58 | RAP Relay | -- | WIPER SW Fuse, PWR WDO Fuse
59 | IGN 3 HVAC Relay | -- | BLOWER Fuse, CNTRL HD Fuse
61 | RUN/CRANK Relay | -- | SIR Fuse, CRUISE Fuse, IGN Fuse, TRANS Fuse, BACK UP Fuse, ABS Fuse, ERLS Fuse, FRT AXLE CNTRL Fuse, PCM 1 Fuse and INJECTORS Fuse
62 | START Relay | -- | Starter Solenoid
63 | WIPER 2 Relay | -- | Windshield Wiper Motor
64 | Diode | -- | Wiper Relays (Between)
65 | Diode | -- | A/C Clutch
66 | Maxi Fuse | 100A | Generator
67 | Fuse Puller (If Equipped) | -- | --
69 | CAN VENT | 10A | Evaporative Emission (EVAP) Canister Vent Solenoid Valve
72 | SPARE | 10A | Spare Fuse, If Equipped
73 | SPARE | 15A | Spare Fuse, If Equipped
74 | SPARE | 20A | Spare Fuse, If Equipped
75 | SPARE | 25A | Spare Fuse, If Equipped
77 | A/C COMP | 10A | A/C Compressor Clutch Relay
79 | O2 SENSOR | 10A | Heated Oxygen Sensor (HO2S) 1, Heated Oxygen Sensor (HO2S) 2

### Fuse Block - Underhood Top View

### Fuse Block - Underhood Bottom View

### Fuse Block - Underhood C1

#### Connector Part Information

- OEM: 15319892
- Service: See Catalog
- Description: 32-Way F Metri-Pack 280 Series Flexlock (WH)

#### Terminal Part Information

- Pins: A3
- Terminal/Tray: 15324340/19
- Core/Insulation Crimp: F/G
- Release Tool/Test Probe: 12094430/J-35616-4A (PU)

- Pins: B3, C2, D2, E1, E2, E5, E6, F1
- Terminal/Tray: 12110844/4
- Core/Insulation Crimp: Pins B3, C2, D2, E1, E2, E5 - E/A
- Core/Insulation Crimp: Pins E6, F1 - E/C
- Release Tool/Test Probe: 15315247/J-35616-4A (PU)

- Pins: E3, F3, F5
- Terminal/Tray: 12110842/4
- Core/Insulation Crimp: C/A
- Release Tool/Test Probe: 15315247/J-35616-4A (PU)

#### Fuse Block - Underhood C1

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A1-A2 | -- | -- | Not Used
A3 | OG | 1840 | Battery Positive Voltage
A4-A6 | -- | -- | Not Used
B1-B2 | -- | -- | Not Used
B3 | BK | 850 | Ground
B4-B6 | -- | -- | Not Used
C1 | -- | -- | Not Used
C2 | BK | 850 | Ground (T96)
C3-C6 | -- | -- | Not Used
D1 | -- | -- | Not Used
D2 | BK | 850 | Ground (T96)
D3-D6 | -- | -- | Not Used
E1 | BK | 850 | Ground
BK | 850 | Ground
E2 | PU | 34 | Fog Lamps Supply Voltage (T96)
PU | 34 | Fog Lamps Supply Voltage (T96)
E3 | OG | 640 | Headlamp Supply Voltage
OG | 640 | Headlamp Supply Voltage (TT5)
E4 | -- | -- | Not Used
E5 | PK | 1200 | High Beam Switch Ground
PK | 1200 | High Beam Switched Ground
E6 | BN | 9 | Park Lamp Supply Voltage
BN | 9 | Park Lamp Supply Voltage
F1 | D-GN | 29 | Horn Control
F2 | -- | -- | Not Used
F3 | OG | 640 | Headlamp Supply Voltage
OG | 640 | Headlamp Supply Voltage (TT5)
F4 | -- | -- | Not Used
F5 | D-BU | 1201 | Low Beam Switched Ground
D-BU | 1201 | Low Beam Switched Ground
F6 | -- | -- | Not Used

### Fuse Block - Underhood C2

#### Connector Part Information

- OEM: 15319896
- Service: 15319896
- Description: 68-Way F Metri-Pack 280 Series Flexlock (BK)

#### Terminal Part Information

- Pins: A6, B2, B5-B6, C2-C3, C11, D2-D3, D5, D11, E3, E5, E7, E11, F3-F5, F7-F8
- Terminal/Tray: 12110844/4
- Core/Insulation Crimp: Pins A6, B2, C2-C3, C11, D2-D3, D5, D11, E3, E5, E7, E11, F3-F5, F8 - E/A
- Core/Insulation Crimp: Pins B5-B6, F7 - E/C
- Release Tool/Test Probe: 15315247/J-35616-4A (PU)

- Pins: B11, E2
- Terminal/Tray: 15324340/19
- Core/Insulation Crimp: Pins B11 - See Terminal Repair Kit
- Core/Insulation Crimp: Pins E2 - F/G
- Release Tool/Test Probe: 12094430/J-35616-4A (PU)

- Pins: F11
- Terminal/Tray: 12110842/4
- Core/Insulation Crimp: A/B
- Release Tool/Test Probe: 15315247/J-35616-4A (PU)

#### Fuse Block - Underhood C2

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A1-A5 | -- | -- | Not Used
A6 | L-GN | 24 | Backup Lamps Supply Voltage
A7-A10 | -- | -- | Not Used
A11 | BK/WH | 451 | Ground - PCM
BK/WH | 451 | Ground - Generator Battery Control Module
A12 | -- | -- | Not Used
B1 | -- | -- | Not Used
B2 | PK | 1539 | Ignition 1 Voltage (4WD)
B3-B4 | -- | -- | Not Used
B5 | D-GN | 59 | A/C Compressor Clutch Supply Voltage (C60)
B6 | BK | 350 | Ground (C60)
B7-B10 | -- | -- | Not Used
B11 | BK/WH | 451 | Ground
B12 | -- | -- | Not Used
C1 | -- | -- | Not Used
C2 | PK | 139 | Ignition 1 Voltage (M30)
C3 | PK | 539 | Run/Crank Voltage
C4-C7 | -- | -- | Not Used
C8 | OG | 2040 | Battery Positive Voltage
OG | 2040 | Battery Positive Voltage
C9-C10 | -- | -- | Not Used
C11 | BK/WH | 451 | Ground
BK/WH | 451 | Ground
C12 | -- | -- | Not Used
D1 | -- | -- | Not Used
D2 | L-GN | 275 | Park Neutral Position Switch Park Signal (M30)
D3 | PK | 239 | Ignition 1 Voltage
PK | 239 | Ignition 1 Voltage (3.5L)
D4 | -- | -- | Not Used
D5 | PK | 439 | Ignition 1 Voltage
D8-D10 | -- | -- | Not Used
D11 | BK | 550 | Ground
BK | 550 | Ground (3.5L)
D12 | -- | -- | Not Used
E1 | -- | -- | Not Used
E2 | PU | 6 | Starter Solenoid Crank Voltage
E3 | PK | 239 | Ignition 1 Voltage
PK | 239 | Ignition 1 Voltage (M30)
E4 | -- | -- | Not Used
E5 | PK | 439 | Ignition 1 Voltage
E6 | -- | -- | Not Used
E7 | BK | 550 | Ground
E8-E10 | -- | -- | Not Used
E11 | BK | 550 | Ground
BK | 550 | Ground
E12 | -- | -- | Not Used
F1-F2 | -- | -- | Not Used
F3 | PK | 239 | Ignition 1 Voltage
PK | 239 | Ignition 1 Voltage
F4 | PK | 839 | Ignition 1 Voltage
F5 | PK | 414 | HO2S - Heater Elements - Supply Voltage
PK | 414 | HO2S - Heater Elements - Supply Voltage
F6 | -- | -- | Not Used
F7 | BK | 550 | Ground (4WD)
BK | 550 | Ground (4WD)
F8 | BK | 550 | Ground (4WD)
BK | 550 | Ground (4WD)
F9-F10 | -- | -- | Not Used
F11 | BK | 550 | Ground
F12 | -- | -- | Not Used

### Fuse Block - Underhood C4

#### Connector Part Information

- OEM: 12193695
- Service: 88987862
- Description: 2-Way F Maxi-Fuse (WH)

#### Terminal Part Information

- Terminal/Tray: 12110127/19
- Core/Insulation Crimp: F/G
- Release Tool/Test Probe: 12150860/J-35616-44 (YE)

#### Fuse Block - Underhood C4

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | YE | 443 | Accessory Voltage
YE | 443 | Accessory Voltage (Regular/Extended Cab)
B | BN | 41 | Ignition 3 Voltage

### Fuse Block - Underhood C5

#### Connector Part Information

- OEM: 12193693
- Service: 15306393
- Description: 2-Way F Maxi-Fuse (BK)

#### Terminal Part Information

- Terminal/Tray: 12110127/19
- Core/Insulation Crimp: F/G
- Release Tool/Test Probe: 12150860/J-35616-44 (YE)

#### Fuse Block - Underhood C5

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A | OG | 540 | Battery Positive Voltage
B | RD | 542 | Battery Positive Voltage

### Fuse Block - Underhood C6

#### Connector Part Information

- OEM: 15319893
- Service: 15319893
- Description: 32-Way F Metri-Pack 280 Series Flexlock (GY)

#### Terminal Part Information

- Pins: A2-A4, B2-B3, B5, E3, E6, F1, F3-F4
- Terminal/Tray: 12110844/4
- Core/Insulation Crimp: Pins A2, A4, E3, E6 - E/A
- Core/Insulation Crimp: Pins A3, B2-B3, B5, F1, F3-F4 - E/C
- Release Tool/Test Probe: 15315247/J-35616-4A (PU)

- Pins: A5
- Terminal/Tray: 12110842/4
- Core/Insulation Crimp: See Terminal Repair Kit
- Release Tool/Test Probe: 15315247/J-35616-4A (PU)

- Pins: B1, F5
- Terminal/Tray: 12110844/4
- Core/Insulation Crimp: C/A
- Release Tool/Test Probe: 15315247/J-35616-4A (PU)

#### Fuse Block - Underhood C6

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A1 | -- | -- | Not Used
A2 | OG | 1440 | Battery Positive Voltage
A3 | YE | 1139 | Ignition 1 Voltage
YE | 1139 | Ignition 1 Voltage
A4 | OG | 1540 | Battery Positive Voltage (4WD)
A5 | OG | 2240 | Battery Positive Voltage (AG1/AG2)
OG | 2240 | Battery Positive Voltage (AG1/AG2)
A6 | -- | -- | Not Used
B1 | BK | 850 | Ground
B2 | PK/WH | 1970 | Headlamp Relay Control
B3 | PK | 339 | Ignition 1 Voltage
PK | 339 | Ignition 1 Voltage (MA5)
B4 | -- | -- | Not Used
B5 | PK | 339 | Ignition 1 Voltage
PK | 339 | Ignition 1 Voltage
B6 | -- | -- | Not Used
C1-C2 | -- | -- | Not Used
C5-C6 | -- | -- | Not Used
D1-D2 | -- | -- | Not Used
D5-D6 | -- | -- | Not Used
E1-E2 | -- | -- | Not Used
E3 | D-BU | 338 | Run/Crank Voltage
E4-E5 | -- | -- | Not Used
E6 | PK | 739 | Ignition 1 Voltage
F1 | BN/WH | 301 | Park Lamp Relay Control
F2 | -- | -- | Not Used
F3 | BK | 850 | Ground
F4 | WH/BK | 448 | Powertrain Diagnostic Enable
F5 | OG | 1240 | Battery Positive Voltage (AU3)
F6 | -- | -- | Not Used

### Fuse Block - Underhood C7

#### Connector Part Information

- OEM: 15319897
- Service: 15319897
- Description: 68-Way F Metri-Pack 280 Series Flexlock (L-GY)

#### Terminal Part Information

- Pins: A1, A4-A5, A7-A8, A10, B7, B11, C2, C10-C11, D1- D4, D8, E2-E4, E7, E9, E11, F3, F5, F7, F10-F12
- Terminal/Tray: 12110844/4
- Core/Insulation Crimp: Pins A1, A4-A5, A7-A8, C10-C11, D1, D4, E2, E7, E9, F3, F5, F7, F10-F12 - E/C
- Core/Insulation Crimp: Pins A10, B7, B11, C2, D2-D3, D8, E3-E4, E11 - C/A
- Release Tool/Test Probe: 15315247/J-35616-4A (PU)

- Pins: B2-B3, B10, C1, C3, C5, D5, E5-E6, F6
- Terminal/Tray: 12110844/4
- Core/Insulation Crimp: E/A
- Release Tool/Test Probe: 15315247/J-35616-4A (PU)

#### Fuse Block - Underhood C7

Pin | Wire Color | Circuit No. | Function
--- | --- | --- | ---
A1 | PK | 1439 | Ignition 1 Voltage
PK | 1439 | Ignition 1 Voltage (4WD)
A2-A3 | -- | -- | Not Used
A4 | OG | 440 | Battery Positive Voltage
A5 | BK | 28 | Horn Relay Control
A6 | -- | -- | Not Used
A7 | YE | 317 | Fog Lamp Relay Control (T96)
A8 | D-GN/WH | 465 | Fuel Pump Relay Control
A9 | -- | -- | Not Used
A10 | YE | 343 | Accessory Voltage
A1-A12 | -- | -- | Not Used
B1 | -- | -- | Not Used
B2 | OG | 740 | Battery Positive Voltage
B3 | OG | 1340 | Battery Positive Voltage
B4-B6 | -- | -- | Not Used
B7 | GY | 120 | Fuel Pump Supply Voltage
B8-B9 | -- | -- | Not Used
B10 | YE | 143 | Accessory Voltage
B11 | OG | 240 | Battery Positive Voltage (KC5)
B12 | -- | -- | Not Used
C1 | OG | 840 | Battery Positive Voltage
C2 | BK | 850 | Ground
C3 | OG | 1740 | Battery Positive Voltage
C4 | -- | -- | Not Used
C5 | BN | 9 | Park Lamps Supply Voltage
C8-C9 | -- | -- | Not Used
C10 | BK/WH | 1969 | Beam Select Relay Control
C11 | BN | 9 | Park Lamp Supply Voltage (A31)
BN | 9 | Park Lamp Supply Voltage (Crew Cab)
C12 | -- | -- | Not Used
D1 | YE/BK | 625 | Starter Relay Control
D2 | PU | 92 | Windshield Wiper Motor High Speed
D3 | D-GN | 95 | Windshield Wiper Motor Low Speed
D4 | GY | 91 | Windshield Wiper Switch Signal 2
D5 | BN | 9 | Park Lamp Supply Voltage
BN | 9 | Park Lamp Supply Voltage
D8 | OG | 40 | Battery Positive Voltage
D9-D12 | -- | -- | Not Used
E1 | -- | -- | Not Used
E2 | OG | 1640 | Battery Positive Voltage
E3 | OG | 340 | Battery Positive Voltage (UE1)
E4 | OG | 1140 | Battery Positive Voltage
E5 | BN | 9 | Park Lamps Supply Voltage
E6 | PK | 239 | Run/Crank Voltage
E7 | D-GN | 113 | Windshield Wiper Switch Signal 2
E8 | -- | -- | Not Used
E9 | BN | 141 | Ignition 3 Voltage - Heated Seat Switch
BN | 141 | Ignition 3 Voltage - HVAC Control Module
E10 | -- | -- | Not Used
E11 | OG | 140 | Battery Positive Voltage
E12 | -- | -- | Not Used
F1-F2 | -- | -- | Not Used
F3 | PK | 639 | Ignition 1 Voltage
F5 | D-GN/WH | 459 | A/C Compressor Relay Control
F6 | L-GN | 24 | Backup Lamp Supply Voltage
L-GN | 24 | Backup Lamp Supply Voltage (DF8)
F7 | D-GN | 1433 | PNP/Clutch Start Switch Signal
D-GN | 1433 | Clutch Start Switch Signal (MA5)
F8-F9 | -- | -- | Not Used
F10 | OG | 300 | Ignition 3 Voltage
F11 | BN | 9 | Park Lamp Supply Voltage
BN | 9 | Park Lamp Supply Voltage (Crew Cab)
F12 | BK | 755 | RAP Relay Coil Control