Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1987HI-CUBE 6.2 J, 475/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)MAINTENANCEPROCEDURESMAINTENANCE INFORMATION.FUSES & CIRCUIT BREAKERSFUSE PANEL IDENTIFICATION (1988-92 "G" SERIES VAN)FUSE & CIRCUIT BREAKER IDENTIFICATION
1987 Chevrolet Hi-Cube 6.2 J, 475/M40
Fuse & Circuit Breaker Identification
1987 Chevrolet Hi-Cube 6.2 J, 475/M40SECTION Fuse & Circuit Breaker Identification
- 1 - Horn/Dim 20 Amp Glove Box Light, Clock, Electric/Vanity Mirrors, Cigarette Lighter
- 2 - Tail Lps 20 Amp Light Switch, Parking Lights
- 3 - ECM B 10 Amp Electronic Control Module
- 4 - Gages 20 Amp Cruise Control, Ashtray Light
- 5 - Turn-B/U 20 Amp Ignition, Ignition Switch, Turn Signal Flasher, Back-Up Light Switch
- 6 - ECM 1 10 Amp Electronic Control Module, Ignition
- 7 - DRL 10 Amp Daytime Running Lights (Canada)
- 8 - Inst Lps 5 Amp 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 - Aux Htr A/C 25 Amp Auxiliary Heater & Air Conditioning
- 10 - Htr A/C 20 Amp Heater & Air Conditioning
- 11 - Pwr Wdo 30 Amp (Circuit Breaker) Power Windows
- 12 - 20 Amp Fuel Pump
- 13 - Pwr Acc 30 Amp (Circuit Breaker) Power Seat, Power Door Locks
- 14 - Stop-Haz 20 Amp Hazard Flasher
- 15 - Radio 10 Amp Radio
- 16 - Wiper 25 Amp Windshield Washer/Wiper Motor & Switch
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.