Pontiac Bonneville (2003 – 2004) – fuse box diagram

Year of production: 2003, 2004

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

Fuses	Usage
1	Not Used
2	Accessory
3	Windshield Wipers
4	Not Used
5	Headlamp Low-Beam Left
6	Headlamp Low-Beam Right
7	Spare
8	Powertrain Control Module Battery
9	Headlamp High-Beam Right
10	Headlamp High-Beam Left
11	Ignition 1
12	Not Used
13	Transaxle
14	Cruise Control
15	Direct Ignition System
16	Injector Bank #2
17	Not Used
18	Not Used
19	Powertrain Control Module Ignition
20	Oxygen Sensor
21	Injector Bank #1
22	Auxiliary Power
23	Cigar Lighter
24	Fog Lamps/Daytime Running Lamps
25	Horn
26	Air Conditioning Clutch

Circuit Breaker	Usage
41	Starter

The rear fuse block is located below the rear seat on the driver’s side of the vehicle.

Fuses	Usage
1	Fuel Pump
2	Heater, Ventilation, Air Conditioning Blower
3	Memory Seat
4	Assembly Line Diagnostic Link
5	Not Used
6	Compact Disc (CD)
7	Driver Door Module
8	Supplemental Inflatable Restraint
9	Not Used
10	Lamps Park Right
11	Ventilation Solenoid
12	Ignition 1
13	Lamps Park Left
14	Interior Lamp Dimmer Module
15	Satellite Digital Radio
16	Heated Seat Left Front
17	Not Used
18	Rear Door Modules
19	Stoplamps
20	PARK (P) / REVERSE (R)
21	Audio
22	Retained Accessory Power
23	Not Used
24	Not Used
25	Passenger Door Module
26	Body
27	Interior Lamps
28	Not Used
29	Ignition Switch
30	Instrument Panel
31	Heated Seat Right Front
32	Not Used
33	Heating, Ventilation, Air Conditioning
34	Ignition 3 Rear
35	Antilock Brake System
36	Turn Signal/Hazard
37	HVAC Battery
38	Dash Integration Module

Relays	Usage
39	Fuel Pump
40	Parking Lamps
41	Ignition 1
42	Rear Fog Lamps
43	Not Used
44	Park Brake
45	Reverse Lamps
46	Retained Accessory Power
48	Not Used
49	Ignition 3
51	Interior Lamps
52	Trunk Release
53	Front Courtesy Lamps
54	Not Used
55	Electronic Level Control Compressor

Fuses	Usage
60	Not Used
61	Rear Defog
62	Not Used
63	Audio Amplifier
64	Electronic Level Control Compressor/Exhaust
65	Cigarette Lighter
66	Not Used
67	Not Used
68	Not Used
69	Spare
70	Spare
71	Spare
72	Spare
73	Spare
74	Spare
75	Fuse Puller

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