GMC Sonoma (2003 – 2004) – fuse box diagram

GMC Sonoma (2003 – 2004) – fuse box diagram

Year of production: 2003, 2004

Instrument Panel Fuse Block

The instrument panel fuse block is at the driver’s end of the instrument panel.

GMC Sonoma mk2 – fuse box – instrument panel
GMC Sonoma mk2 – fuse box – instrument panel
Fuse/Circuit Breaker Usage
A Not Used
B Not Used
1 Not Used
2 Cigarette Lighter, Data Link Connector
3 Cruise Control, Body Controls TBC, Cruise Module, Cruise Switch
4 Gages, Body Controls TBC, Instrument Panel Cluster, B+ Power
5 Parking Lamps, Power Window Switch, TBC, Ashtray Lamp
6 Not Used
7 Headlamp Switch, Body Controls TBC, Headlamp Relay
8 Courtesy Lamps, Inadvertent Power Relay
9 HVAC Control Head
10 Turn Signal
11 Instrument Panel Cluster, Engine Controls
12 Interior Illumination
13 Auxiliary Power
14 Power Locks
15 4WD Switch, Engine Control (VCM, PCM, Transmission)
16 Supplemental Inflatable Restraint
17 Front Wiper
18 Not Used
19 Radio Battery
20 Not Used
21 HVAC I, HVAC Control Head, HVAC Devices
22 Anti-Lock Brakes
23 Rear Wiper
24 Radio, Ignition

Engine Compartment Fuse Block

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

GMC Sonoma mk2 – fuse box – engine compartment
GMC Sonoma mk2 – fuse box – engine compartment
Name Usage
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
LT HDLP Left Headlamp
RT HDLP 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
BTSI Automatic Transmission Shift Lock Control System
B/U LP Back Up Lamps
IGN B Column Feed, IGN 2, 3, 4
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
IGN C Starter Solenoid, Fuel Pump, PRNDL
HTDSEAT Heated Seat
HVAC Heating,Ventilation, Air Cooling
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 Mirrors
ATC Transfer Case (Four-Wheel Drive)
STOPLP Stoplamps
RR W/W Rear Window Wiper

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