GMC Sonoma mk2 (1999 – 2002) – fuse box diagram

GMC Sonoma mk2 (1999 – 2002) – fuse box diagram

Year of production: 1999, 2000, 2001, 2002

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 Not Used
TRR TRN Not Used
TRL B/U Not Used
VEH B/U Vehicle Back-Up Lamps
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 Not Used
LT HDLP Left Headlamp
RT HDLP Right Headlamp
FR PRK Front Parking Lamps
INT BAT I/P 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
BTSI Brake-Transmission Shift Interlock
B/U LP Back-Up Lamps
A/C Air Conditioning
W/W PMP Not Used
HORN Horn
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 IGN 1
STUD #2 Accessory Feeds, Electric Brake
PARKLP Parking Lamps
LR PRK Left Rear Parking Lamps
IGN C Starter Solenoid, Fuel Pump, PRNDL
HTDSEAT Not Used
HVAC HVAC System
TRCHMSL Not Used
RRDFOG Not Used
TBC Truck Body Computer
CRANK Clutch Switch, NSBU Switch
HAZLP Hazard Lamps
VECHMSL Vehicle Center High-Mounted Stoplamp
HTDMIR Heated Outside Mirrors
ATC Transfer Case (Four-Wheel Drive)
STOPLP Stoplamps
RR W/W Not Used

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