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Chevrolet S-10 (2003 - 2004) Fuse Box Diagram

avatar Jonathan Yarden Feb 11, 2021 · 5 min. read

In this article you will find a description of fuses and relays Chevrolet, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2003, 2004

Instrument panel

The fuse block is in the instrument panel on the driver’s side.

Chevrolet S-10 - fuse box - instrument panel

Fuses/Circuit Breaker Circuit protected
A Not Used
B Not Used
1 Not Used
2 Cigarette Lighter, Data Link Connector
3 Cruise Control Module and Switch, Body Control Module, Heated Seats
4 Gages, Body Control Module, Instrument Panel Cluster
5 Parking Lamps, Power Window Switch, Body Control Module, Ashtray Lamp
6 Steering Wheel Radio Controls
7 Headlamps Switch, Body Control Module, Headlamp Relay
8 Courtesy Lamps, Battery Run-Down Protection
9 Heating, Ventilation, Air Cooling Control Head (Manual)
10 Turn Signal
11 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 Steering Wheel Radio Controls
19 Radio Battery
20 Amplifier
21 Heating, Ventilation, Air Cooling (Manual), Heating, Ventilation, Air Cooling (Automatic), Heating, Ventilation, Air Cooling Sensors (Automatic)
22 Air-Bag Brakes
23 Rear Wiper
24 Radio, Ignition

Engine Compartment Fuse Block

The fuse block under the hood at the driver’s de of the engine compartment.

Chevrolet S-10 - fuse box - engine compartment

Name Usage
TRL TRN Trailer Left Tur
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
F PRK Front Parking Lamp
INT BAT Instrument Panel Fuse Block Feed
ENG 1 Engine Sensor/Solenoid, MAP, CAM, PURGE, VENT
ECM B Engine Control Module Fuel Pump, Module, Oil Pressure
ABS Anti-Lock Brake System
ECM I Engine Control Module Injector
F/PUMP Fuel Pump
DRL Daytime Running Lamps
A/C Air Conditioning
W/W PMP Not Used
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
OXYGEN 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 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 Stoplamp
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.

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