Buick Rainer (2003 – 2006) – fuse box diagram

Year of production: 2003, 2004, 2005, 2006

The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle.

Fuses	Usage
1	Electrically-Controlled Air Suspension
2	Passenger’s Side High-Beam Headlamp
3	Passenger’s Side Low-Beam Headlamp
4	Back-Up Trailer Lamps
5	Driver’s Side High-Beam Headlamp
6	Driver’s Side Low-Beam Headlamp
7	Windshield Wiper
8	Automatic Transfer Case
9	Windshield Washer
10	Powertrain Control Module B
11	Fog Lamps
12	Stoplamp
13	Cigarette Lighter
14	Not Used
15	Electric Adjustable Pedal
16	Truck Body Controller, Ignition 1
17	Crank
18	Airbag
19	Trailer Electric Brake
20	Cooling Fan
21	Horn
22	Ignition E
23	Electronic Throttle Control
24	Instrument Panel Cluster, Driver Information Center
25	Automatic Shift Lock Control System
26	Engine 1
27	Back-up
28	Powertrain Control Module 1
29	Oxygen Sensor
30	Air Conditioning
31	Truck Body Controller 1
32	Trailer
33	Anti-lock Brakes (ABS)
34	Ignition A
35	Blower Motor
36	Ignition B
50	Passenger’s Side Trailer Turn
51	Driver’s Side Trailer Turn
52	Hazard Flashers
53	Headlamp Driver Module
54	Air Injection Reactor (AIR) Solenoid
56	Air Injection Reactor (AIR) Pump

Relays	Usage
37	Blank or Headlamp Washer
38	Rear Window Wiper/Washer
39	Fog Lamps
40	Horn
41	Fuel Pump
42	Windshield Washer
43	High-Beam Headlamp
44	Air Conditioning
45	Cooling Fan
46	Headlamp Driver Module
47	Starter
49	Electric Adjustable Pedal
55	Air Injection Reactor (AIR) Solenoid
57	Powertrain
58	Vehicle Stability Enhancement System (StabiliTrak®)

Miscellaneous	Usage
48	Instrument Panel Battery

Fuses	Usage
1	Electrically-Controlled Air Suspension
2	Passenger’s Side High-Beam Headlamp
3	Passenger’s Side Low-Beam Headlamp
4	Back-Up Trailer Lamps
5	Driver’s Side High-Beam Headlamp
6	Driver’s Side Low-Beam Headlamp
7	Rear Window Washer
8	Automatic Transfer Case
9	Windshield Washer
10	Powertrain Control Module B
11	Fog Lamps
12	Stoplamp
13	Cigarette Lighter
14	Ignition Coils
15	Canister Vent
16	Truck Body Controller, Ignition 1
17	Crank
18	Airbag
19	Trailer Electric Brake
20	Cooling Fan
21	Horn
22	Ignition E
23	Electronic Throttle Control
24	Instrument Panel Cluster, Driver Information Center
25	Automatic Shift Lock Control System
26	Engine 1
27	Backup
28	Powertrain Control Module 1
29	Powertrain
30	Air Conditioning
31	Injector Bank A
32	Trailer
33	Anti-lock Brakes (ABS)
34	Ignition A
35	Blower Motor
36	Ignition B
50	Passenger’s Side Trailer Turn
51	Driver’s Side Trailer Turn
52	Hazard Flashers
53	Transmission
54	Oxygen Sensor Bank B
55	Oxygen Sensor Bank A
56	Injector Bank B
57	Headlamp Driver Module
58	Body Controller 1
59	Electric Adjustable Pedal
61	Vehicle Stability Enhancement System (StabiliTrak®)

Miscellaneous	Usage
48	Instrument Panel Battery

Fuses	Usage
01	Passenger Door Control Module
02	Driver Door Control Module
03	Liftgate Module 2
04	Truck Body Controller 3
05	Rear Fog Lamps
06	Blank
07	Truck Body Controller 2
08	Power Seats
09	Rear Wiper
10	Driver Door Module
11	Amplifier
12	Passenger Door Module
13	Rear Climate Controls
14	Left Rear Parking Lamps
15	Blank
16	Vehicle Center High-Mounted Stoplamp (CHMSL)
17	Right Rear Parking Lamps
18	Locks
19	Liftgate Module/Driver Seat Module
20	Blank
21	Lock
23	Blank
24	Unlock
25	Blank
26	Blank
27	OnStar® Overhead Battery, OnStar® System
28	Sunroof
29	Rainsense™ Wipers
30	Parking Lamps
31	Truck Body Controller Accessory
32	Truck Body Controller 5
33	Front Wipers
34	Vehicle Stop
35	Transmission Control Module
36	Heat Ventilation Air Conditioning B
37	Front Parking Lamps
38	Left Turn Signal
39	Heat Ventilation Air Conditioning I
40	Truck Body Controller 4
41	Radio
42	Trailer Park
43	Right Turn Signal
44	Heat Ventilation Air Conditioning
45	Rear Fog Lamps
46	Auxiliary Power 1
47	Ignition 0
48	Four-Wheel Drive
49	Blank
50	Truck Body Controller Ignition
51	Brakes
52	Truck Body Controller Run

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

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