1978-1982 Chevrolet Corvette C3 Fuse Box Diagram
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| No. | A | Description |
|---|---|---|
| 1 | 5 | '78-'79: Instrument panel lights |
| 7.5 | '80-'82: Instrument panel lights | |
| 2 | - | - |
| 3 | - | - |
| 4 | 30 | Circuit breaker: Power windows |
| 5 | - | - |
| 6 | 25 | Heater and air conditioner |
| 7 | 10 | '80-'82: Electronic Control Module |
| 8 | - | - |
| 9 | 25 | Windshield wipers and washers |
| 10 | 20 | Stop and hazard lights, key warning buzzer |
| 11 | 10 | '78-'79: Gauges, telltale lights, cruise control, seat belt buzzer, power window relay |
| 20 | '80-'82: Gauges, warning lights, seat belt buzzer light, power window relay, cruise control | |
| 12 | 20 | '78-'79: Tail, side marker, parking and underhood lights |
| 30 | '80-'82: Parking, side marker, engine compartment and tail lights | |
| 13 | 20 | '78-'79: Radio, rear window defogger |
| 10 | '80-'82: Radio | |
| 14 | 30 | '80-'82: Circuit breaker: Power accessories |
| 15 | 20 | Turn signals and backup lights |
| 16 | 20 | Clock, cigar lighter, anti-theft alarm, dome light, courtesy light, glove box light, glove box light, power antenna ('80-'82), horn relay ('80-'82), power door locks ('80-'82) |
| 17 | 30 | '80-'82: Auxiliary cooling fan |
| 18 | - | - |
| 19 | - | - |
Circuit Breaker:
Headlights — Circuit breaker is integral with headlight switch to protect headlight circuit
Windshield Wiper — Circuit breaker integral with windshield wiper switch to protect wiper circuit
'78-'79: Power Seats, Power Windows & Power Door Locks — Circuit breaker is attached to firewall to protect electric motors
'80-'82: Power Seats, Power Windows & Power Door Locks — Circuit breaker is located on fuse panel to protect power accessories.
'80-'82: Rear Window Defogger - Circuit breaker is located on fuse panel to protect rear window circuit.
Fusible Links:
Fusible links are located in the engine compartment. Gauge size is marked on insulation and color matches wire being fused. Fusible links should always be four gauge sizes smaller than wire being fused
The links are:
Molded splice at starter solenoid "BAT" terminal, 14 gauge red wire.
A 16 gauge red fusible link is located at junction block to protect all unfused wiring of 12 gauge or larger.
The ammeter circuit is protected by 2 red 20 gauge wire links installed as molded splices at the junction block.
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