Buick Estate Wagon (1977 – 1984) – fuse box diagram
Year of production: 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984
Fuse box diagram
| Fuse | [A] | Protected Component |
| 1 | 5 | Instrument illumination, headlight warning and electronic air conditioning |
| 2 | 20 | Electric choke |
| 3 | 5 | Instrument illumination, headlight warning |
| 4 | 30 | Circuit breaker: Power windows and roof, fuel cap lock release |
| 5 | — | — |
| 6 | 25 | Heater, air conditioning, trunk lid release, radio capacitor |
| 7 | 10 | Electronic Control Module |
| 8 | 10 | Diesel engine fuse |
| 9 | 25 | Windshield wiper and washer |
| 10 | 20 | Hazard and stop lights |
| 11 | 20 | Seat belt light and buzzer, trunk ajar, transmission downshift and C-4 or E.S.C. jumper, heated back light relay, map and fuel economy lights, instrument gauges and indicator lights |
| 12 | 20 | Tail, side marker, parking and license lights, clock radio |
| 13 | 10 | Radio, cruise control |
| 14 | 30 | Circuit breaker: Power seats, door locks, heated rear window feed, tailgate window |
| 15 | 20 | Turn signal and back-up lights |
| 16 | 20 | Cigar lighter, glove box light, speed and key warning buzzer, power antenna, clock radio, clock, pulse wiper, air conditioning |
| 17 | 20 | Dome and sail panel lights, trunk light, reading light, vanity light, headlight on warning, automatic door locks and rear cigar lighter, tailgate ajar |
| 18 | — | — |
| 19 | 10 | Instrument gauges, indicator lights, transmission converter clutch and cruise control, Electric choke |
| Circuit Breaker: Headlight Circuit — A thermo circuit breaker is incorporated in the headlight switch assembly to protect headlight circuits. Windshield Wiper — Integral with windshield wiper motor. | ||
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.