Buick LeSabre (1977 – 1981) – fuse box diagram

Year of production: 1977, 1978, 1979, 1980, 1981, 1982, 1983

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	Stop and hazard 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 markers, parking, cornering and license lights, clock radio
13	10	Radio, cruise control
14	30	Circuit breaker: Power seats, door locks, heated rear window feed
15	20	Turn signals 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
19	20	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.