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GMC Sierra mk1 (1993 - 1994) - fuse box diagram

avatar Jonathan Yarden Mar 25, 2021 · 5 min. read

In this article you will find a description of fuses and relays GMC, 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: 1993, 1994

Fuse Block

GMC Sierra mk1 - fuse box diagram

Name Circuits protected Fuse Circuit breaker
Gauges Cruise Control, 4 WD Display Illum. Rear Window Defogger Timer, Aux. Batt. Relay Feed, Safety Belt Buzzer Timer, Cluster Ign. Feed 20
Turn-B/U Back-up Lamps, Turn Signals 15
EMC/Ign T.C.C., Air Diverter, E.S.C., E.G.R., E.C.M. Ign., R.W.A.L. Brake Switch 10
Ign. A Throttle Body Injectors 10
Brake R.W.A.L., Cluster-Speedo 15
AC/Htr H.V.A.C. 4WD, Aux. Batt. Relay 25
Ctsy Dome Lamp, Cargo Lamp, Ctsy, and Glove Box Lps. (TR-R), Radio (Memory-Clock) Horn Relay, Horn Feed, Cigar Lighter, Park 20
Park LP Lamps C49 SW Illum., Headlamp “On” Warning, 20
P. Lps Radio Illum., H.V.A.C. Illum. Haz. Flasher, Seat Belt Buzzer, Stop 5
Stop/Haz Lmps., R.W.A.L. Memory 15
Wiper Windshield Wiper, Washer 25
Radio Radio Feed 10
Acc/Ign. Pwr. Windows 30
Acc/Batt. Door Locks, Rear Window Defogger 30
Crank Crank, Discreet 5
4WD Four Wheel Drive 25
DRL Daytime Running Lights 15


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

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