Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Fuse Block - Underhood Label
2008 Pontiac Grand Prix BaseSECTION Fuse Block - Underhood Label
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Fuse Block - Underhood Label Usage
| Device | Rating | Description |
|---|---|---|
| STUD 1 Fuse | 40A | Trailer Wiring |
| MBEC Fuse | 50A | SEAT CB, RT DOOR CB |
| BLOWER Fuse | 40A | HVAC Blower Motor - High Speed |
| LBEC 2 Fuse | 50A | LOCKS Fuse, DDM Fuse, PDM Fuse, AUX PWR 2 Fuse |
| STUD 2 Fuse | 30A | Trailer Wiring, Off Road Lamps |
| ABS Fuse | 60A | Electronic Brake Control Module (EBCM) |
| VSES/ECAS Fuse | 60A | ECAS Relay |
| IGN A Fuse | 40A | Ignition Switch RUN, START, RUN/START/ACCY, STARTER Relay |
| IGN B Fuse | 40A | Ignition Switch RUN/ACC, RUN/START |
| LBEC 1 Fuse | 50A | FLASH Fuse, TBC 2A Fuse, TBC 2B Fuse, TBC 2C Fuse, LT DOORS Fuse |
| TRL PARK Fuse | 15A | Trailer Wiring |
| RR PARK Fuse | 10A | Tail/Stop Lamp - Right, License Lamp - Right, Side Marker Lamp - Right Rear |
| LR PARK Fuse | 10A | Tail/Stop Lamp - Left, License Lamp - Left, Side Marker Lamp - Left Rear |
| INT PARK RF Fuse | 10A | SIR Defeat Switch, Clearance Lamps, Marker Lamps, Trailer Jumper |
| STOP LP Fuse | 25A | Stop Lamp Switch |
| TBC BATT Fuse | 10A | BCM |
| PARK LP Relay | - | TRLR PARK Fuse, LR PARK Fuse, RR PARK Fuse, F PARK Fuse, MARKER LP Fuse |
| STARTER Relay | - | Starter |
| S/ROOF Fuse | 25A | Sunroof Module |
| SEO B2 Fuse | 30A | Electronic Brake Control Module (EBCM) |
| 4WS Fuse | 15A | EVAP Canister Vent Solenoid |
| RR HVAC | 30A | Rear HVAC Module |
| AUX PWR Fuse | 20A | Accessory Power Outlets |
| PCM 1 Fuse | 15A | Evaporative Emission (EVAP) Canister Purge Solenoid, Powertrain Control Module (PCM), Mass Air Flow (MAF) Sensor/Intake Air Temperature (IAT) Sensor |
| ETC/ECM Fuse | 15A | Throttle Actuator Control (TAC), Electronic Brake Control Module (EBCM) |
| INJ 1 Fuse | 15A | Odd Ignition Coils, Odd Fuel Injectors |
| INJ 2 Fuse | 15A | Even Ignition Coils, Even Fuel Injectors |
| IGN E Fuse | 10A | A/C Compressor Relay, I/P Cluster, Turn/Hazard Switch |
| RTD Fuse | 30A | Not Used |
| TRL B/U Fuse | 10A | BCM Module, Trailer Connector |
| PCM B Fuse | 20A | Fuel Pump Relay, PCM |
| F/PMP Relay | - | Fuel Pump |
| O2 Sensor A Fuse | 15A | Heated Oxygen Sensors - Left/Right - Before Catalytic Converter |
| B/U LP Fuse | 20A | Park/Neutral Position Switch (PNP) |
| RR DEFOG Fuse | 30A | DEFOG Relay |
| HDLP-HI Relay | - | High Beam - Left, High Beam - Right |
| O2 B Fuse | 15A | Heated Oxygen Sensors - Left/Right - After Catalytic Converter |
| SIR Fuse | 15A | Inflatable Restraint I/P Module Disable Switch, Inflatable Restraint Sensing and Diagnostic Module (SDM) |
| FRT PARK Fuse | 10A | LF/RF Park/Turn Lamps, LF/RF Side Marker Lamps |
| SEO IGN Fuse | 10A | Rear Defogger Relay |
| TBC IGN 1 Fuse | 10A | Body Control Module (BCM) |
| HI HDLP - LT Fuse | 10A | Headlamp - High Beam - Left |
| LH HID Fuse | 20A | Not Used |
| DRL Relay | - | DRL - Left, DRL - Right |
| DRL Fuse | 10A | Daytime Running Lamps (DRL) Relay |
| IPC/DIC Fuse | 10A | Instrument Panel Cluster (IPC) |
| HVAC/ECAS Fuse | 10A | HVAC Control Module, Air Suspension Module |
| CIG LTR Fuse | 15A | Cigar Lighter, Data Link Connector (DLC) |
| HI HDLP RT Fuse | 10A | Highbeam Headlamp - Right |
| HDLP-LOW Relay | - | Headlamp - Low Beam - Left, Headlamp - Low Beam - Right |
| A/C COMP Relay | - | A/C Compressor Clutch Assembly |
| A/C COMP Fuse | 10A | A/C Compressor Clutch Relay |
| RR WPR | 25A | Rear Window Wiper Motor |
| RADIO Fuse | 15A | Radio, Rear Seat Audio (RSA) |
| SEO B1 Fuse | 15A | Heated Seat Module - LR/RR, Garage Door Opener |
| LO HDLP - LT Fuse | 10A | Headlamp - Low Beam - Left |
| BTSI Fuse | 10A | Stoplamp Switch, Floor Shifter Shift Lock Control Solenoid |
| CRANK Fuse | 10A | Ignition Switch, PCM Module |
| LO HDLP - RT Fuse | 10A | Headlamp - Low Beam - Right |
| FOG LP Relay | - | Not Used |
| FOG LP Fuse | 15A | Not Used |
| HORN Relay | - | Horn - Low Note, Horn - High Note |
| W/S WASH Relay | - | Front Windshield Washer Motor and Module |
| W/S WASH Fuse | 15A | W/S WASH Relay, Front Windshield Washer Motor and Module |
| INFO Fuse | 15A | Vehicle Communication Interface Module (VCIM) |
| RADIO AMP Fuse | 30A | Radio Amplifier |
| RH HID Fuse | 20A | Not Used |
| HORN Fuse | 15A | Horn - High/Low Note |
| EAP Fuse | 15A | Not Used |
| TREC Fuse | 30A | Transfer Case Control Module |
| SBA Fuse | 15A | Not Used |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.