Find fuses for GMC C Series MK2 Second Generation 1990 1999: symptom assistant, positions, panels, available ratings and an A4 PDF sheet. Confirm the variant in the manual.
| Fuse | Rating | Protected circuit |
|---|---|---|
| A/C | — | A/C Clutch Compressor, A/C Controller |
| AXLE | — | Heated Mirrors, Radiator Shutters, Two-Speed Axle Motor, Two-Speed Axle Switch |
| B/U IGN3 | — | Fuel Filter Relay, Blower Motor Relays, ABS Power Relay, Back-Up Lamps, Auxiliary Wiring Relay, IGN 3 Relay, Power Window Relay, Vehicle Interface Module, Transmission Temperature Gage |
| BLOWER | — | Blower Motor |
| CHAS | — | Exhaust Brake, Air Suspension Dump Valve, Air Dryer, HYD ABS ECHU |
| CIG/AUX | — | Cigarette Lighter, Auxiliary Power Jacks |
| CRNK | — | Starter Relay |
| DOME/PNL | — | Dome Lamp, Radio Receiver, Instrument Panel Lights, A/C Controller, Headlamp/Seatbelt Module |
| DR LK | — | Power Door Locks |
| FUEL | — | Heated Fuel Filter (Diesel Engines) or Fuel Pump (Gasoline Engines) (P0087, P0230, P0231, P0232) |
| HORN | — | Horn/Diagnostic Connector |
| IGN RLY/VIN | — | Vehicle Interface Module (Diesel Engines) or Generator, Coil, Injectors (Gasoline Engines) (P0200, P0201, P0202, P0203) |
| IGN SW | — | Instrument Panel Cluster Telltales |
| MRKR LP | — | Roof Marker Lamps, Trailer Marker Lamps, Marker Lamp Relay |
| PARK LP | — | Auxiliary Wiring, Air Conditioner Controls, Parking Lamps, Turn Signals, Taillamps, Stoplamps, Marker Lamps, Trailer Running Lamps, Lighted Mirrors, Radio Receiver, Mirror Clearance Lamps |
| PRK BRK | — | Parking Brake Module |
| RDO | — | Radio, Auxiliary Wiring |
| STOP | — | Stoplamps |
| TRN/HAZ | — | Turn Signals, Hazard Flashers |
| WASH/WIPE | — | Windshield Wipers/Washer, Accessory Relay |
| WDO | — | Power Windows |