Fuse Block - Underhood, Label (4.2L - Late Production)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Fuse Block - Underhood (4.2L), Label Usage
| No. | Device | Rating | Description |
|---|---|---|---|
| 1 | ECAS Fuse | 30A | Automatic Level Control Compressor |
| 2 | HI HDLP-RT Fuse | 10A | Right High Beam Headlamp |
| 3 | LOW HDLP-RT Fuse | 10A | Right Low Beam Headlamp - Daytime Running Lamp |
| 4 | TRLR B/U Fuse | 10A | Trailer Connector |
| 5 | HI HDLP-LT Fuse | 10A | Left High Beam Headlamp |
| 6 | LOW HDLP-LT Fuse | 10A | Left Low Beam Headlamp - Daytime Running Lamp |
| 7 | WASH Fuse | 20A | HDLP WASH Relay |
| 8 | ATC Fuse | 30A | Transfer Case Shift Control Module, Transfer Case Encoder Motor |
| 10 | PCM B Fuse | 20A | F/PMP Relay, Powertrain Control Module (PCM) |
| 11 | FOG LP Fuse | 15A | FOG LP Relay |
| 12 | ST/LP Fuse | 25A | Stop Lamp Switch |
| 13 | CIGAR Fuse | 20A | Data Link Connector (DLC), Cigar Lighter |
| 14 | COILS Fuse | 10A | HDLP-HI Relay, High Beam Headlamps |
| 15 | EAP Fuse | 15A | EAP Relay (Late Production) |
| 16 | TBC IGN1 Fuse | 10A | Body Control Module (BCM) |
| 17 | CRANK Fuse | 10A | Powertrain Control Module (PCM) |
| 18 | SIR Fuse | 10A | Inflatable Restraint Sensing and Diagnostic Module (SDM) |
| 19 | ELEK BRK Fuse | 30A | Trailer Brake Wiring |
| 20 | Fan Fuse | 10A | FAN Relay - Fan Driver Module |
| 21 | HORN Fuse | 15A | HORN Relay |
| 22 | IGN E Fuse | 10A | IGN 1 Relay, A/C Relay, Park/Neutral Position (PNP) Switch, Headlamp Leveling Actuators, Inverting Driver Module, Stop Lamp Switch, Traction Control Switch, Headlamp Leveling Switch, Instrument Panel Cluster, Turn Signal/Multifunction Switch, Inside Rearview Mirror |
| 23 | TAC Fuse | 10A | Throttle Actuator Control (TAC) Module |
| 24 | IPC/DIC Fuse | 10A | Instrument Panel Cluster (IPC) |
| 25 | BTSI Fuse | 10A | Stop Lamp Switch, A/T Shift Lock Actuator |
| 26 | ENG I Fuse | 10A | EVAP Canister Purge Solenoid, EVAP Canister Vent Solenoid |
| 27 | BACK UP Fuse | 15A | Park/Neutral Position (PNP) Switch |
| 28 | PCM I Fuse | 15A | Powertrain Control Module (PCM), Fuel Injectors, Ignition Coils |
| 29 | O2 Fuse | 10A | Heated Oxygen Sensors |
| 30 | A/C Fuse | 10A | A/C Relay |
| 31 | TBC I Fuse | 10A | Body Control Module (BCM), and (BAE Only) Theft Deterrent Alarm and Theft Deterrent Module |
| 32 | TRAILER Fuse | 30A | Trailer Connector |
| 33 | ABS Fuse | 60A | Electronic Brake Control Module (EBCM) |
| 34 | IGN A Fuse | 40A | Starter Relay, Ignition Switch |
| 35 | BLOWER Fuse | 40A | Blower Motor Resistor Assembly (CJ3), Blower Motor Control Processor (CJ2) |
| 36 | IGN B Fuse | 40A | Ignition Switch |
| 37 | HDLP WASH Relay | - | Headlamp Washer Pump |
| 38 | REAR WASH Relay | - | Rear Window Washer Fluid Pump |
| 39 | FOG LP Relay | - | Front Fog Lamps |
| 40 | HORN Relay | - | Horns |
| 41 | F/PMP Relay | - | Fuel Pump |
| 42 | W/S WASH Relay | - | Windshield Washer Fluid Pump |
| 43 | HDLP-HI Relay | - | Body Control Module (BCM) |
| 44 | A/C Relay | - | Headlamp - High Beam - Left |
| 45 | FAN Relay | - | Engine Cooling Fan |
| 46 | HDM Relay | - | Low Beam Headlamps - Daytime Running Lamps |
| 47 | STARTER Relay | - | Starter Solenoid |
| 48 | I/P BATT Fuse | 125A | Fuse Block - Rear |
| 49 | EAP Relay | - | Electronic Adjustable Pedals |
| 50 | TRL R TRN Fuse | 10A | Trailer Connector |
| 51 | TRL L TRN Fuse | 10A | Trailer Connector |
| 52 | FLASH Fuse | 25A | Turn Signal/Hazard Flasher Module |
| 53 | EAP Fuse | 15A | EAP Relay (Early Production) |
| HDM Fuse | 15A | HDM Relay (Late Production) | |
| 54 | AIR SOL Fuse | 15A | AIR SOL Relay |
| 55 | AIR SOL Relay | - | Secondary Air Injection (AIR) Solenoid |
| 56 | AIR Fuse | 60A | Secondary Air Injection (AIR) Pump Relay |