GMC Sierra mk1 (1999 – 1998) – fuse box diagram

Year the production: 1996, 1997, 1998

Instrument panel Fuse Block

The fuse block accessibility door is on the driver’s side edge of the instrument panel. Pull off the cover to accessibility the fuse block.

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GMC Sierra mk1 – fuse box – instrument panel
Fuse/Circuit BreakerUsage
1Stop/TCC Switch, Buzzer, CHMSL, hazard Lamps, Stoplamps
2Transfer Case
3Courtesy Lamps, Cargo Lamp, gloves Box Lamp, Dome/Reading Lamps, Vanity Mirrors, Power Mirrors
4Instrument Cluster, DRL Relay, Lamp Switch, Keyless Entry, Low Coolant Module, Illuminated entrance Module, DRAC (Diesel Engine)
5Not Used
6Cruise Control
7Auxiliary power Outlet
8Air Bag System
9License Lamp, Parking Lamps, Taillamps, Roof mite Lamps, Tailgate Lamps, Front Sidemarkers, Fog desk lamp Relay, Door move Illumination, Fender Lamps, Headlamp Switch Illumination
10Air Bag System
11Wiper Motor, Washer Pump
12A/C, A/C Blower, High Blower Relay
13Power Amp, tobacco Lighter, Door Lock Relay, Power Lumbar Seat
144WD Indicator, Cluster, Comfort Controls, tool Switches, Radio Illumination, Chime Module
15DRL Relay, Fog lamp Relay
16Front and Rear turn Signals, Back-Up Lamps, BTSI Solenoid
17Radio (Ignition)
184WAL/VCM, ABS, Cruise Control
19Radio (Battery)
20PRNDL, automatically Transmission, Speedometer, check Gages Warning Light
21Variable effort Steering
22Not Used
23Not Used
24Front Axle, 4WD Indicator Lamp, TP2 Relay (Gasoline Engine)
APower Door Lock, Six-Way Power Seat, Keyless entry Module
BPower Windows

Underhood Fuse/Relay Center

The underhood fuse/relay center is situated in the rear of the engine compartment close to the brake fluid reservoir.

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GMC Sierra mk1 – fuse crate – engine compartment
NameUsage
ECM-BFuel Pump, PCM/VCM
RR DEFOGRear home window Defogger
IGN-EAuxiliary pan Relay Coil, A/C Compressor Relay, Hot Fuel Module, double Tanks
HORNHorn, Underhood Lamps
AUX FANAuxiliary Fan
ECM-1Injectors, PCM/VCM, Fuel Solenoid (Diesel Engine, Fuel control Module (Diesel Engine)
HTD ST-FRNot Used
A/CAir Conditioning
HTD MIRNot Used
ENG-1Ignition Switch, EGR, Canister Purge, EVRV Idle shore Solenoid, MAF, cook O2, Fuel Heater (Diesel Engine), Water Sensor (Diesel Engine), Boost Solenoid (Diesel Engine), EPR (Diesel Engine)
HTD ST-RRNot Used
LIGHTINGHeadlamp and Panel Dimmer Switch, Fog and Courtesy Fuses
BATTBattery, Fuse Block Busbar
IGN-AIgnition Switch
IGN-BIgnition Switch
ABSAnti-Lock Brake Module
BLOWERHigh Blower Relay
STOP/HAZStoplamps
HEATED SEATSNot Used

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


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