GMC Sonoma 2003 Fuse Box Info
Passenger compartment fuse box location:
The instrument panel fuse box is located at the driver’s end of the instrument panel.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay | Functions |
| A | Not Used |
| B | Not Used |
| 1 | Not Used |
| 2 CIGAR LTR | Cigarette Lighter, Data Link Connector |
| 3 CRUISE | Cruise Control Module and Switch, Body Control Module, Heated Seats |
| 4 GAUGES | Gages, Body Control Module, Instrument Panel Cluster |
| 5 PARK LP | Parking Lamps, Power Window Switch, Body Control Module, Ashtray Lamp |
| 6 STR WHL ILLUM | Steering Wheel Radio Controls |
| 7 HDLP SW | Headlamps Switch, Body Control Module, Headlamp Relay |
| 8 CTSY LP | Courtesy Lamps, Battery Run-Down Protection |
| 9 HVAC | Heating, Ventilation, Air Cooling Control Head (Manual) |
| 10 TURN | Turn Signal |
| 11 CLSTR | Cluster, Engine Control Module |
| 12 ILLUM | Interior Lights |
| 13 AUX PWR | Auxiliary Power |
| 14 PWR LKS | Power Locks Motor |
| 15 4WD | 4WD Switch, Engine Controls (VCM, PCM, Transmission) |
| 16 SIR | Supplemental Inflatable Restraint |
| 17 FRT WPR | Front Wiper |
| 18 STR WHL RDO IGN | Steering Wheel Radio Controls |
| 19 RDO BATT | Radio, Battery |
| 20 AMPF | Amplifier |
| 21 HVAC I | Heating, Ventilation, Air Cooling (Manual), Heating,Ventilation, Air Cooling (Automatic), Heating, Ventilation, Air Cooling Sensors (Automatic) |
| 22 ABS | Anti-Lock Brakes |
| 23 RR WPR | Rear Wiper |
| 24 RDO IGN | Radio, Ignition |
Engine compartment fuse box:
| Fuse/Relay | Functions |
| TRL TRN | Trailer Left Turn |
| TRR TRN | Trailer Right Turn |
| TRL B/U | Trailer Back Up Lamps |
| VEH B/U | Vehicle Back-Up Lamps |
| HDLP PWR | 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 | Trailer Park Lamps |
| LTHDLP | Left Headlamp |
| RTHDLP | Right Headlamp |
| FRPRK | Front Parking Lamps |
| INT BAT | Instrument Panel Fuse Block Feed |
| ENG I | Engine Sensors/Solenoids, MAF, CAM, PURGE, VENT |
| ECM B | Engine Control Module, Fuel Pump Module, Oil Pressure |
| ABS | Anti-Lock Brake System |
| ECM I | Engine Control Module Injectors |
| F/PUMP | Fuel Pump |
| DRL | Daytime Running Lamps |
| A/C | Air Conditioning |
| HORN | Horn |
| 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 |
| PARKLP | Parking Lamps |
| LR PRK | Left Rear Parking Lamps |
| LIFTGLASS | Liftglass |
| IGN C | Starter Solenoid, Fuel Pump, PRNDL |
| HTDSEAT | Heated Seat |
| HVAC | Heating,Ventilation, Air Cooling System |
| TRCHMSL | Trailer Center High 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 |
