Table of Contents
This article provides a detailed overview of the fuse diagrams for the Buick Rainier (GMT360; first generation): 2003, 2004, 2005, 2006, 2007, and 2008 model years.
Fuse #13 in the engine compartment and #46 in the passenger compartment protect the cigarette lighter and 12V auxiliary power outlets.
Engine Compartment Fuse Block
The fuse block is located on the driver's side of the engine compartment, near the battery.
Fuse block access.
General overview.
V8 Engine Models
Fuse and relay assignments for Buick Rainier models equipped with a V8 engine.
| Diagram | |
|---|---|
|
|
| No. | Description |
| Relays | |
| 37 | Headlamp Washer Relay |
| 38 | Rear Window Wiper/Washer Relay |
| 39 | Fog Lamp Relay |
| 40 | Horn Relay |
| 41 | Fuel Pump Relay |
| 42 | Windshield Wiper/Washer Relay |
| 43 | High-Beam Headlamp Relay |
| 44 | Air Conditioning Relay |
| 45 | Cooling Fan Relay |
| 46 | Headlamp Driver Module Relay |
| 47 | Starter Relay |
| 49 | Power Adjustable Pedal Relay |
| 60 | Powertrain Relay |
| Fuses | |
| 1 | Electronic Air Suspension |
| 2 | Passenger Side High-Beam Headlamp |
| 3 | Passenger Side Low-Beam Headlamp |
| 4 | Trailer Back-Up Lamps |
| 5 | Driver Side High-Beam Headlamp |
| 6 | Driver Side Low-Beam Headlamp |
| 7 | Windshield Wiper |
| 8 | Automatic Transfer Case |
| 9 | Windshield Washer |
| 10 | Powertrain Control Module (PCM) B |
| 11 | Fog Lamps |
| 12 | Stop Lamp |
| 13 | Cigarette Lighter |
| 14 | Ignition Coils |
| 15 |
|
| 16 | Truck Body Controller (TBC), Ignition 1 |
| 17 | Crank |
| 18 | Airbag System |
| 19 | Trailer Electric Brake |
| 20 | Cooling Fan |
| 21 | Horn |
| 22 | Ignition E |
| 23 | Electronic Throttle Control (ETC) |
| 24 | Instrument Panel Cluster (IPC), Driver Information Center (DIC) |
| 25 | Automatic Shift Lock Control System |
| 26 | Engine 1 |
| 27 | Back-Up Lamps |
| 28 | Powertrain Control Module (PCM) 1 |
| 29 | Powertrain Control Module (PCM) |
| 30 | Air Conditioning (A/C) |
| 31 | Fuel Injector Bank A |
| 32 | Trailer |
| 33 | Anti-Lock Brake System (ABS) |
| 34 | Ignition A |
| 35 | Blower Motor |
| 36 | Ignition B |
| 50 | Passenger Side Trailer Turn Signal |
| 51 | Driver Side Trailer Turn Signal |
| 52 | Hazard Warning Flashers |
| 53 | Transmission |
| 54 | Oxygen Sensor Bank B |
| 55 | Oxygen Sensor Bank A |
| 56 | Fuel Injector Bank B |
| 57 | Headlamp Driver Module |
| 58 | Truck Body Controller (TBC) 1 |
| 59 | Power Adjustable Pedal |
| 61 | Vehicle Stability Enhancement System (StabiliTrak®) |
| 62 | Regulated Voltage Control (RVC) |
Inline-6 (L6) Engine Models
Fuse and relay assignments for Buick Rainier models equipped with an L6 engine.
| Diagram (2007–2008 Model Years) | |
|---|---|
|
|
| No. | Description |
| Relays | |
| 37 | Headlamp Washer Relay |
| 38 | Rear Window Wiper/Washer Relay |
| 39 | Fog Lamp Relay |
| 40 | Horn Relay |
| 41 | Fuel Pump Relay |
| 42 | Windshield Washer Relay |
| 43 | High-Beam Headlamp Relay |
| 44 | Air Conditioning Relay |
| 45 | Cooling Fan Relay |
| 46 | Headlamp Driver Module Relay |
| 47 | Starter Relay |
| 49 | Power Adjustable Pedal Relay |
| 55 | Secondary Air Injection (AIR) Solenoid Relay |
| 57 | Powertrain Relay |
| 48 | Instrument Panel Battery |
| Fuses | |
| 1 | Electronic Air Suspension |
| 2 | Passenger Side High-Beam Headlamp |
| 3 | Passenger Side Low-Beam Headlamp |
| 4 | Trailer Back-Up Lamps |
| 5 | Driver Side High-Beam Headlamp |
| 6 | Driver Side Low-Beam Headlamp |
| 7 | Windshield Wiper |
| 8 | Automatic Transfer Case |
| 9 | Windshield Washer |
| 10 | Powertrain Control Module (PCM) B |
| 11 | Fog Lamps |
| 12 | Stop Lamp |
| 13 | Cigarette Lighter |
| 14 | Empty |
| 15 | Power Adjustable Pedal |
| 16 | Truck Body Controller (TBC), Ignition 1 |
| 17 | Crank |
| 18 | Airbag System |
| 19 | Trailer Electric Brake |
| 20 | Cooling Fan |
| 21 | Horn |
| 22 | Ignition E |
| 23 | Electronic Throttle Control (ETC) |
| 24 | Instrument Panel Cluster (IPC), Driver Information Center (DIC) |
| 25 | Automatic Shift Lock Control System |
| 26 | Transmission Control Module (TCM) / EVAP Canister Vent |
| 27 | Back-Up Lamps |
| 28 | Powertrain Control Module (PCM) 1 |
| 29 | Oxygen Sensor |
| 30 | Air Conditioning (A/C) |
| 31 | Truck Body Controller (TBC) 1 |
| 32 | Trailer |
| 33 | Anti-Lock Brake System (ABS) |
| 34 | Ignition A |
| 35 | Blower Motor |
| 36 | Ignition B |
| 50 | Passenger Side Trailer Turn Signal |
| 51 | Driver Side Trailer Turn Signal |
| 52 | Hazard Warning Flashers |
| 53 | Headlamp Driver Module |
| 54 | Secondary Air Injection (AIR) Solenoid |
| 56 | Secondary Air Injection (AIR) Pump |
| 58 | Vehicle Stability Enhancement System (StabiliTrak®) |
| 59 | Regulated Voltage Control (RVC) |
| Diagram (2003–2006 Model Years) | |
|---|---|
|
|
| No. | Description |
| Relays | |
| 37 | Empty / Headlamp Washer Relay |
| 38 | Rear Window Wiper/Washer Relay |
| 39 | Fog Lamp Relay |
| 40 | Horn Relay |
| 41 | Fuel Pump Relay |
| 42 | Windshield Washer Relay |
| 43 | High-Beam Headlamp Relay |
| 44 | Air Conditioning Relay |
| 45 | Cooling Fan Relay |
| 46 | Headlamp Driver Module Relay |
| 47 | Starter Relay |
| 49 | Power Adjustable Pedal Relay |
| 55 | Secondary Air Injection (AIR) Solenoid Relay |
| 57 | Powertrain Relay |
| 58 | Vehicle Stability Enhancement System (StabiliTrak®) Relay |
| 48 | Instrument Panel Battery |
| Fuses | |
| 1 | Electronic Air Suspension |
| 2 | Passenger Side High-Beam Headlamp |
| 3 | Passenger Side Low-Beam Headlamp |
| 4 | Trailer Back-Up Lamps |
| 5 | Driver Side High-Beam Headlamp |
| 6 | Driver Side Low-Beam Headlamp |
| 7 | Windshield Wiper |
| 8 | Automatic Transfer Case |
| 9 | Windshield Washer |
| 10 | Powertrain Control Module (PCM) B |
| 11 | Fog Lamps |
| 12 | Stop Lamp |
| 13 | Cigarette Lighter / 12V Auxiliary Power Outlet |
| 14 | Empty |
| 15 | Power Adjustable Pedal |
| 16 | Truck Body Controller (TBC), Ignition 1 |
| 17 | Crank |
| 18 | Airbag System |
| 19 | Trailer Electric Brake |
| 20 | Cooling Fan |
| 21 | Horn |
| 22 | Ignition E |
| 23 | Electronic Throttle Control (ETC) |
| 24 | Instrument Panel Cluster (IPC), Driver Information Center (DIC) |
| 25 | Automatic Shift Lock Control Module |
| 26 | Engine 1 |
| 27 | Back-Up Lamps |
| 28 | Powertrain Control Module (PCM) 1 |
| 29 | Oxygen Sensor |
| 30 | Air Conditioning (A/C) Module |
| 31 | Truck Body Controller (TBC) 1 |
| 32 | Trailer |
| 33 | Anti-Lock Brake System (ABS) |
| 34 | Ignition A |
| 35 | Blower Motor |
| 36 | Ignition B |
| 50 | Passenger Side Trailer Turn Signal |
| 51 | Driver Side Trailer Turn Signal |
| 52 | Hazard Warning Flashers |
| 53 | Headlamp Driver Module |
| 54 | Secondary Air Injection (AIR) Solenoid |
| 56 | Secondary Air Injection (AIR) Pump |
Passenger Compartment Fuse Block
The fuse block is located under the left rear seat, behind a plastic trim cover.
To access the fuse block, lift the seat cushion and remove the cover.
| Diagram | |
|---|---|
|
|
| No. | Description |
| 1 | Passenger Door Module (PDM) |
| 2 | Driver Door Module (DDM) |
| 3 | Liftgate Module 2 |
| 4 | Truck Body Controller (TBC) 3 |
| 5 | Rear Fog Lamps |
| 6 | Empty |
| 7 | Truck Body Controller (TBC) 2 |
| 8 | Power Seats |
| 9 | Rear Wiper |
| 10 | Driver Door Module (DDM) |
| 11 | Audio Amplifier |
| 12 | Passenger Door Module (PDM) |
| 13 | Rear Climate Controls |
| 14 | Left Rear Parking Lamps |
| 15 | Empty |
| 16 | Center High-Mounted Stop Lamp (CHMSL) |
| 17 | Right Rear Parking Lamps |
| 18 | Power Door Locks |
| 19 |
|
| 20 | Empty |
| 21 | Door Lock Control Module |
| 23 | Empty |
| 24 | Door Unlock Control Module |
| 25 | Empty |
| 26 | Empty |
| 27 | OnStar® Backup Battery, OnStar® System |
| 28 | Sunroof / Moonroof |
| 29 | Rainsense™ Wipers |
| 30 | Parking Lamps |
| 31 | Truck Body Controller (TBC) Accessory |
| 32 | Truck Body Controller (TBC) 5 |
| 33 | Front Wipers |
| 34 | Vehicle Stop Lamp |
| 35 | Transmission Control Module (TCM) |
| 36 | Heating, Ventilation, and Air Conditioning (HVAC) B |
| 37 | Front Parking Lamps |
| 38 | Left Turn Signal |
| 39 | Heating, Ventilation, and Air Conditioning (HVAC) |
| 40 | Truck Body Controller (TBC) 4 |
| 41 | Radio Module |
| 42 | Trailer Parking Lamps |
| 43 | Right Turn Signal |
| 44 | Heating, Ventilation, and Air Conditioning (HVAC) |
| 45 | Rear Fog Lamps |
| 46 |
|
| 47 | Ignition 0 |
| 48 | Four-Wheel Drive (4WD) System |
| 49 | Empty |
| 50 | Truck Body Controller (TBC), Ignition |
| 51 | Brakes |
| 52 | Truck Body Controller (TBC), Run |