Chevy G30 (1988 – 1992) – fuse and relay box diagram

Year of  production: 1988, 1989, 1990, 1991, 1992

 

This article covers the Chevy G30, produced from 1970 to 1996. It includes fuse box diagrams for the 1988, 1989, 1990, 1991 and 1992 models, provides details on the location of the fuse panels inside the vehicle, and explains the function and layout of each fuse.

 

Fuse box diagram

 

Assignment of the fuses in the fuse box diagram

No.	A	Circuit Protected
1	20	Horn, Glove Box Light, Clock, Electric/Vanity Mirrors, Cigarette Lighter
2	20	Parking Lights, Light Switch, Tail Lights
3	10	Electronic Control Module (ECM)
4	20	Gauge, Cruise Control, Ashtray Light
5	20	Ignition, Ignition Switch, Turn Signal Flasher, Back-Up Light Switch
6	10	Electronic Control Module (ECM), Ignition
7	10	Daytime Running Lights
8	5	Rear Air Conditioning Switch Light, Rear Auxiliary Heater Switch, Dome Light Switch, Cigarette Lighter, Convenience Tray Light, Foglight, Mirror Switch Light, Auxiliary Heater, Rear Air Conditioning
9	25	Auxiliary Heater and Air Conditioning
10	20	Heater, Air Conditioning
11	30	Circuit Breaker: Power Windows
12	20	Fuel Pump
13	30	Circuit Breaker: Power Seat, Power Door Locks
14	20	Hazard Flasher, Stop Lamps
15	10	Radio
16	25	Windshield Washer/Wiper Motor and Switch
17	–	–

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