Fuse Block - Underhood - Label (LS4)
Fuse Block - Underhood Label Usage (LS4)
| Fuse | Rating | Description |
|---|---|---|
| FUEL/PUMP Fuse | 15A | Fuel Pump and Sender Assembly |
| FUEL/PUMP Fuse | - | FUEL/PUMP Fuse |
| A/C CMPRSR Relay | - | A/C CMPRSR Relay |
| BATT 1 | 50A | PK LAMPS, DISPLAYS, CHMSL/BKUP, INT LIGHT, RFA/MOD, RADIO/AMP, ONSTAR/ALDL, HVAC and CANISTER Fuses |
| BATT 4 | 30A | Blower Motor Control Processor |
| BATT 3 | 40A | Right Rear DEFOG Relay |
| BATT 2 | 50A | HTD SEAT, PWR MIRS, TURN/HAZ and DR LK/TRUNK Fuses, PWR SEAT Circuit Breaker and RAP Relay |
| HVAC Fuse | 10A | HVAC Control Module |
| AIRBAG/DISPLAY Fuse | 10A | Inflatable Restraint Sensing and Diagnostic Module (SDM) |
| COMPASS Fuse | 10A | Electronic Compass Module (U40), CRUISE SW Fuse, Air Temperature Sensor - Inside |
| STRTR Relay | - | STRTR Fuse |
| ABS Fuse | 10A | Steering Angle Sensor (JL4), Yaw and Lateral Acceleration Sensor (JL4) and Electronic Brake Control Module (EBCM) |
| ECM/TCM Fuse | 15A | ECM and TCM |
| TRANS Fuse | 10A | Torque Converter Clutch (TCC) Solenoid Valve, 1-2 Shift Solenoid (1-2 SS) Valve and 2-3 Shift Solenoid (2-3 SS) Valve and TCM |
| ABS SOL Fuse | 25A | EBCM |
| ECM IGN Fuse | 10A | STRTR Relay and PCM |
| WSW/RVC Fuse | 15A | BCM |
| FAN 1 Fuse | 30A | FAN 1 Relay |
| FAN 2 Fuse | 30A | FAN 3 Relay |
| FAN 1 Relay | - | Cooling Fan Left |
| FAN 2 Relay | - | Cooling Fan Right |
| FAN 3 Relay | - | Cooling Fan Right |
| STRTR Fuse | 40A | Starter |
| ABS MTR Fuse | 40A | EBCM |
| PWR/TRN Relay | - | ETC/ECM, INJ1, INJ2, EMISSIONS1, and EMISSIONS2 Fuses |
| ETC/ECM Fuse | 15A | PCM |
| A/C CMPRSR Fuse | 10A | A/C Compressor Clutch |
| INJ 1 Fuse | 20A | Injection Coil 1, Injection Coil 3, Injection Coil 5, Injection Coil 7, Fuel Injector 1, Fuel Injector 3, Fuel Injector 5, Fuel Injector 7 |
| EMISSIONS1 Fuse | 15A | Heated Oxygen Sensor (HO2S) Sensor 1 and Heated Oxygen Sensor (HO2S) Sensor 2 and Evaporative Emissions (EVAP) Canister Purge Solenoid Valve |
| INJ 2 Fuse | 20A | Injection Coil 2, Injection Coil 4, Injection Coil 6, Injection Coil 8, Fuel Injector 2, Fuel Injector 4, Fuel Injector 6, Fuel Injector 8 |
| EMISSIONS2 Fuse | 15A | Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor, A/C CMPRSR Relay and Valve Lifter Oil Manifold Assembly |
| WPR Fuse | 25A | Wiper PCB Relay |
| AUX PWR Fuse | 25A | Accessory Power Outlet - Rear and Accessory Power Outlet - Front |
| LT LO BEAM Fuse | 10A | Headlamp - Low Beam - Left |
| RT LO BEAM Fuse | 10A | Headlamp - Low Beam - Right |
| LT HI BEAM Fuse | 10A | Headlamp - High Beam - Left |
| RT HI BEAM Fuse | 10A | Headlamp - High Beam - Right |
| FOG LAMPS Fuse | 10A | Fog Lamp Left Front and Fog Lamp Right Front |
| HORN Fuse | 15A | Horn Assembly |
| HDM | - | LT LO BEAM and RT LO BEAM Fuses |
| Note: Relays below are non-serviceable printed circuit board (PCB) relays, and are internal to the fuse block | ||
| FOG LAMP PCB Relay | - | FOG LAMPS Fuse |
| HIGH BEAM PCB Relay | - | LT HI BEAM Fuse, RT HI BEAM Fuse |
| HORN PCB Relay | - | HORN Fuse |
| Ignition MAIN PCB Relay | - | ECM IGN Fuse |