The GMC Sonoma is a mid-size pickup truck that was produced from 1990 to 2004. It was known for its ruggedness and reliability, and it was a popular choice for both work and play.
Table of Contents
Fuse Box Location
The GMC Sonoma has two fuse boxes: one in the engine compartment and one in the passenger cabin.
- Engine Compartment: The fuse block is under the hood on the driver’s side of the engine compartment. Remove the cover by turning the fastener counterclockwise. To reinstall the fuse panel cover, push in and turn the fastener clockwise.
- Passenger Compartment: The instrument panel fuse block is at the driver’s end of the instrument panel. Remove the cover by turning the fastener counterclockwise. Extra fuses and the fuse extractor are provided in the cover. To reinstall the fuse panel cover, push in and turn the fastener clockwise.
Passenger Compartment
| Fuse Number | Protected Components |
|---|---|
| A | Not Used |
| B | Not Used |
| 1 | Not Used |
| 2 | Cigarette Lighter, Data Link Connector |
| 3 | 1999-2002: Cruise Control, Body Controls TBC, Cruise Module, Cruise Switch 2003-2004: Cruise Control Module and Switch, Body Control Module, Heated Seats |
| 4 | 1999-2002: Gages, Body Controls TBC, Instrument Panel Cluster, B+ Power 2003-2004: Gages, Body Control Module, Instrument Panel Cluster |
| 5 | Parking Lamps, Power Window Switch, Body Control Module, Ashtray Lamp |
| 6 | 2001-2004: Steering Wheel Radio Controls |
| 7 | Headlamps Switch, Body Control Module, Headlamp Relay |
| 8 | 1999-2002: Courtesy Lamps, Inadvertent Power Relay 2003-2004: Courtesy Lamps, Battery Run-Down Protection |
| 9 | Heating, Ventilation, Air Cooling Control Head (Manual) |
| 10 | Turn Signal |
| 11 | Instrument Panel Cluster, Engine Control Module |
| 12 | Interior Lights |
| 13 | Auxiliary Power |
| 14 | Power Locks Motor |
| 15 | 4WD Switch, Engine Controls (VCM, PCM, Transmission) |
| 16 | Supplemental Inflatable Restraint |
| 17 | Front Wiper |
| 18 | 2001-2004: Steering Wheel Radio Controls |
| 19 | Radio, Battery |
| 20 | 2001-2004: Amplifier |
| 21 | Heating, Ventilation, Air Cooling (Manual), Heating,Ventilation, Air Cooling (Automatic), Heating, Ventilation, Air Cooling Sensors (Automatic) |
| 22 | Anti-Lock Brakes (ABS) |
| 23 | Rear Wiper |
| 24 | Radio, Ignition |
Engine Compartment
| Fuse | Components |
|---|---|
| TRL TRN | 2003-2004: Trailer Left Turn |
| TRR TRN | 2003-2004: Trailer Right Turn |
| TRL B/U | 2003-2004: Trailer Back Up Lamps |
| VEH B/U | Vehicle Back Up Lamps |
| HDLP PWR | 2003-2004: Headlamp Power |
| RT TURN | Right Turn Signal Front |
| LT TURN | Left Turn Signal Front |
| HDLP W/W | Not Used |
| LT TRN | Left Turn Signal Rear |
| RT TRN | Right Turn Signal Rear |
| RR PRK | Right Rear Parking Lamps |
| TRL PRK | 2003-2004: Trailer Park Lamps |
| LT HDLP | Left Headlamp |
| RT HDLP | Right Headlamp |
| FR PRK | Front Parking Lamps |
| INT BAT | Instrument Panel Fuse Block Feed |
| ENG 1 | Engine Sensors/Solenoids, MAF, CAM, PURGE, VENT |
| ECM B | Engine Control Module, Fuel Pump Module, Oil Pressure |
| ABS | Anti-Lock Brake System |
| ECM 1 | Engine Control Module Injectors |
| F/PUMP | Fuel Pump |
| DRL | Daytime Running Lamps |
| A/C | Air Conditioning |
| W/W PMP | Not Used |
| HORN | Horn |
| BTSI | Automatic Transmission Shift Lock Control System |
| B/U LP | Back Up Lamps |
| IGN B | Column Feed, Ignition 2, 3, 4 |
| STARTER | Starter |
| RAP | Retained Accessory Power |
| LD LEV | Not Used |
| OXYSEN | Oxygen Sensor |
| IGN E | Engine |
| MIR/LKS | Mirrors, Door Locks |
| FOG LP | Fog Lamps |
| IGN A | Starting and Charging Ignition 1 |
| STUD #2 | Accessory Feeds, Electric Brake |
| PARK LP | Parking Lamps |
| LR PRK | Left Rear Parking Lamps |
| LIFTGLASS | Liftglass |
| IGN C | Starter Solenoid, Fuel Pump, PRNDL |
| HTDSEAT | 2002-2004: Heated Seat |
| HVAC | Heating,Ventilation, Air Cooling System |
| TRCHMSL | 2003-2004: Trailer Center PHiqh Mount Stop Light |
| RRDFOG | Rear Defogger |
| TBC | Truck Body Computer |
| CRANK | Clutch Switch, NSBU Switch |
| CHMSL | Center High Mounted Stoplamp |
| HAZLP | Hazard Lamps |
| VECHMSL | Vehicle Center High-Mounted Stop Lamp |
| RR DEFOG | Rear Defogger |
| HTDMIR | Heated Mirror |
| ATC | Transfer Case (Four-Wheel Drive) |
| STOPLP | Stop Lamps |
| RR W/W | Rear Window Wiper |
Conclusion
Fuse boxes are an important part of the electrical system of your GMC Sonoma. By understanding where the fuse boxes are located and how to check and replace fuses, you can help keep your truck running smoothly.
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Tom Smith is a passionate car mechanic and automotive enthusiast, specializing in the intricate world of car fuse boxes. With years of hands-on experience under the hood, he has earned a reputation as a reliable expert in his field. As the founder and content creator of the popular blog website 'carsfuse.com,' Tom has dedicated himself to sharing his extensive knowledge of car fuse boxes and electrical systems with the world.