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Pontiac Grand Prix (2008) - fuse box diagram

avatar Jonathan Yarden Feb 16, 2021 · 5 min. read

In this article you will find a description of fuses and relays Pontiac, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2008

Instrument Panel Fuse Block

Fuse box is locate on the end of the instrument panel on the passenger side.

Pontiac Grand Prix - fuse box - instrument panel

Fuse Usage
RAP Retained Accessory Power
SUN ROOF Sunroof
CRUISE SW Cruise Switch
PK LP Parking Lamps
RR DEFOG Rear Window Defogger
DR LK/TRUNK Door Lock/Trunk
ONSTAR/ALDL Onstar®/Diagnostic Link
CANISTER Fuel Tank Solenoid Canister
PK LAMPS Parking Lamps
RADIO/AMP Radio Amplifier
RFA/MOD Remote Function Activator (Remote Keyless Entry)
DISPLAYS Instrument Panel Displays/Head-Up Display (HUD), Driver Information Center (DIC)
INT LIGHT Interior Lamps
HVAC Climate Controls
CHMSL/BKUP Center High Mounted Stop Lamp/Back-Up Lamps
PWR WDO Power Windows
SPRING COIL 2 Steering Wheel Control Switches
PWR SEAT Power Seat
TURN/HAZ Turn Signals/Hazard Warning Lamps
PWR MIRS Power Mirrors
HTD SEAT Heated Seat

Underhood Fuse Block

The underhood fuse block is located on the passenger’s side of the vehicle in the engine compartment.

3.8L V6 Engine

Pontiac Grand Prix - fuse box - engine compartment (3.8 engine)

Fuses Usage
1 Driver Side High-Beam Headlamp
2 Passenger Side High-Beam Headlamp
3 Driver Side Low-Beam Headlamp
4 Passenger Side Low-Beam Headlamp
5 Windshield Wipers/Washer
6 Washer/Regulated Voltage Control
7 Fog Lamps (Option)
8 Airbag
10 Accessory Power
11 Horn
12 Emission
13 Air Conditioning Clutch
14 Oxygen Sensor
15 Powertrain Control Module
16 Powertrain Control Module/Electronic Throttle Control
17 Electronic Throttle Control
18 Display
19 Antilock Brake Solenoid
20 Fuel Injection
21 Transmission Solenoid
22 Fuel Pump
23 Antilock Brakes
24 Electronic Ignition
26 Battery Main 1
27 Battery Main 2
28 Battery Main 3
29 Fan 1
30 Battery Main 4
31 Antilock Brake Motor
32 Fan 2
33 Starter
56 Air Pump


Relays Usage
34 High-Beam Headlamps
35 Low-Beam Headlamps, Headlamp Driver Module
36 Fog Lamps (Option)
37 Ignition 1
38 Air Conditioner Compressor
39 Horn
40 Powertrain
41 Fuel Pump
42 Fan 1
43 Fan 3
44 Windshield Wiper/High
45 Windshield Wiper
46 Fan 2
48 Crank
52 Blank
53 Blank
54 Blank
55 Fuse Puller
diodes Air Conditioning Clutch

5.3L V8 Engine

Pontiac Grand Prix - fuse box - engine compartment (5.3L engine)

Fuses Usage
HVAC Climate Control System
AIRBAG/ DISPLAY Airbag, Display
ABS Antilock Brake System
ETC/ECM Electronic Throttle Control, Engine Control Module
A/C CMPRSR Air Conditioning Compressor
INJ 1 Injectors 1
ECM/TCM Engine Control Module, Transmission Control Module
TRANS Transmission
EMISSIONS1 Emissions 1
ABS SOL Antilock Brake Solenoid
ECM IGN Engine Control Module, Ignition
INJ 2 Injectors 2
EMISSIONS2 Emissions 2
WPR Windshield Wipers
AUX PWR Auxiliary Power
WSW/RVC Windshield Washer, Regulated Voltage Control
LT LO BEAM Driver Side Low-Beam Headlamp
RT LO BEAM Passenger Side Low-Beam Headlamp
LT HI BEAM Driver Side High-Beam Headlamp
RT HI BEAM Passenger Side High-Beam Headlamp
BATT 4 Battery 4
BATT 1 Battery 1
STRTR Starter
ABS MTR Antilock Brake System Motor
BATT 3 Battery 3
BATT 2 Battery 2
FAN 2 Cooling Fan 2
FAN 1 Cooling Fan 1


Relay Usage
A/C CMPRSR Air Conditioning Compressor
STRTR Starter
PWR/TRN Powertrain
FAN 3 Cooling Fan 3
FAN 2 Cooling Fan 2
FAN 1 Cooling Fan 1
HDM Headlamp Driver Module

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.


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