4.2L Engine
Fuse Block - Underhood (4.2L)
| No. | Device | Rating | Description |
|---|---|---|---|
| 1 | ECAS Fuse | 30A | Air Suspension Compressor Assembly |
| 2 | HI HEADLAMP-RT Fuse | 10A | Headlamp - High Beam - Right |
| 3 | LO HEADLAMP-RT Fuse | 10A | Headlamp - Low Beam - Right |
| 4 | TRLR BCK/UP Fuse | 10A | Trailer Connector |
| 5 | HI HEADLAMP-LT Fuse | 10A | Headlamp - High Beam - Left |
| 6 | LO HEADLAMP-LT Fuse | 10A | Headlamp - Low Beam - Left |
| 7 | WPR Fuse | 20A | HEADLAMP WPR Relay, REAR/WPR Relay |
| 8 | ATC Fuse | 30A | Transfer Case Encoder Motor, Transfer Case Shift Control Module |
| 9 | WSW Fuse | 15A | WSW Relay |
| 10 | PCM B Fuse | 20A | FUEL PUMP Relay, Powertrain Control Module (PCM) |
| 11 | FOG LAMP Fuse | 15A | FOG LAMP Relay |
| 12 | STOP LAMP Fuse | 25A | Stop Lamp Switch |
| 13 | LTR Fuse | 20A | Cigar Lighter, Data Link Connector (DLC) |
| 15 | EAP Fuse | 15A | Auxiliary Water Pump Relay 1, EAP Relay, Electronic Adjustable Pedals (EAP) Relay |
| 16 | TBC IGN1 Fuse | 10A | Body Control Module (BCM) |
| 17 | CRNK Fuse | 10A | Powertrain Control Module (PCM) |
| 18 | AIR BAG Fuse | 10A | Inflatable Restraint Front Passenger Pressure System (PPS) Module, Inflatable Restraint Sensing and Diagnostic Module (SDM), Rollover Sensor |
| 19 | ELEC BRK Fuse | 30A | Trailer Brake Wiring |
| 20 | FAN Fuse | 10A | FAN Relay |
| 21 | HORN Fuse | 15A | HORN Relay |
| 22 | IGN E Fuse | 10A | A/C Relay, Headlamp Leveling Actuators, Headlamp Switch, Inside Rearview Mirror, Instrument Panel Cluster (IPC), Park/Neutral Position (PNP) Switch, Stop Lamp Switch, Turn Signal/Multifunction Switch |
| 23 | ETC Fuse | 10A | Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor, Powertrain Control Module (PCM) |
| 24 | IPC/DIC Fuse | 10A | Instrument Panel Cluster (IPC) |
| 25 | BTSI Fuse | 10A | Automatic Transmission Shift Lock Actuator, Stop Lamp Switch |
| 26 | TCM CNSTR Fuse | 10A | Evaporative Emission (EVAP) Canister Purge Solenoid, Evaporative Emission (EVAP) Canister Vent Solenoid |
| 27 | BCK/UP Fuse | 15A | EAP Relay, Park/Neutral Position (PNP) Switch |
| 28 | PCM I Fuse | 15A | Fuel Injectors, Ignition Coils, Powertrain Control Module (PCM) |
| 29 | O2 SNSR Fuse | 10A | Heated Oxygen Sensor (HO2S) 1/2 |
| 30 | A/C Fuse | 10A | A/C Relay |
| 31 | TBC I Fuse | 10A | Body Control Module (BCM), Theft Deterrent Alarm, Theft Deterrent Control Module |
| 32 | TRLR Fuse | 30A | Trailer Connector |
| 33 | ABS Fuse | 60A | Electronic Brake Control module (EBCM) |
| 34 | IGN A Fuse | 40A | Ignition Switch - ACCY/RUN/START, RUN, START BUS |
| 35 | BLWR Fuse | 40A | Blower motor Control Module, Blower Motor Resistor Assembly |
| 36 | IGN B Fuse | 40A | Ignition Switch - ACCY/RUN, RUN/START BUS |
| 37 | HEADLAMP WPR Relay | - | Headlamp Washer Fluid Pump |
| 38 | REAR/WPR Relay | - | Rear Window Washer Fluid Pump |
| 39 | FOG LAMP Relay | - | Front Fog Lamps |
| 40 | HORN Relay | - | Horn Assembly |
| 41 | FUEL PUMP Relay | - | Fuel Pump and Sender Assembly |
| 42 | WSW Relay | - | Windshield Washer Fluid Pump |
| 43 | HI HEADLAMP Relay | - | HI HEADLAMP-LT Fuse, HI HEADLAMP-RT Fuse |
| 44 | A/C Relay | - | A/C Compressor Clutch Assembly |
| 45 | FAN Relay | - | Cooling Fan |
| 46 | HDM Relay | - | LO HEADLAMP-LT Fuse, LO HEADLAMP-RT Fuse |
| 47 | STRTR Relay | - | Starter |
| 48 | I/P BATT Fuse | 125A | Fuse Block - Rear - B+ Bus |
| 49 | EAP Relay | - | Electronic Adjustable Pedals (EAP) Switch |
| 50 | TRLR RT TRN Fuse | 10A | Trailer Connector |
| 51 | TRLR LR TRN Fuse | 10A | Trailer Connector |
| 52 | HAZRD Fuse | 25A | Turn Signal/Hazard Flasher Module |
| 53 | HDM Fuse | 15A | HDM Relay |
| 54 | AIR SOL Fuse | 15A | AIR SOL Relay, Secondary Air Injection (AIR) Pump Relay, Theft Deterrent Alarm |
| 55 | AIR SOL Relay | - | Secondary Air Injection (AIR) Solenoid |
| 56 | AIR PUMP Fuse | 60A | Secondary Air Injection (AIR) Pump Relay |
| 57 | PWR/TRN RELAY | - | ETC Fuse, O2 SNSR Fuse |
| 58 | VSES Fuse | 60A | Electronic Brake Control module (EBCM) |