Oldsmobile Ninty Eight 98 (1977 – 1985) – fuse box diagram

Year of production: 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985

Fuse box diagram

No.	A	Circuit Protected
1	5	Instrument panel, cruise control and fuel economy lights
2	20	’80-’85: Choke heater (V6 gasoline only)
3	–	–
4	30	Circuit breaker: Electric windows
5	–	–
6	25	Electronic level option, heater and air conditioner
7	–	–
8	5	’77-’79: Diesel control
	10	’80-’85: Glow plugs
9	25	Windshield wipers
10	20	Stop and hazard warning lights
11	20	’77-’79: Generator and parking brake lights, seat belt warning, cruise control, pulse wiper and rear defogger timer
	20	’80-’85: Computer command control, rear window detogger, gauges, warning indicators, reminder package, seat belt warning, clock, cruise control, glow plugs, illuminated entry, theft deterrent, torque converter clutch and deck lid release
12	20	’77-’79: Cornering, tail, side marker, license and underhood lights
	20	’80-’85: Front parking and marker lights, rear parking and marker lights, license light, engine compartment light, reminder package, cornering lights, radio, theft deterrent and twilight sentinel
13	10	Radio and tape player
14	30	Circuit breaker: Power door locks, seats, rear window defogger, theft deterren
15	20	Turn signal and backup lights
16	20	’77-’79: Clock power antenna, front cigar lighter, console and courtesy lights
	20	’80-’85: Clock, key warning, power antenna, reminder package, cigar lighter, console and glove box light, tailgate ajar indicator, shift indicator light and theft deterrent
17	20	’77-’79: Dome, trunk, ¼ panel, rear cigar lighter lights. radio capacitor
	20	’80-’85: Courtesy lights, power door locks, radio capacitor, illuminated entry, theft deterrent, power mirrors, tailgate ajar indicator
18	–	–
19	–	–
Circuit Breaker: Headlights — Circuit breaker is located in headlight switch. Windshield Wipers — Circuit breaker is located in wiper motor. Fusible Links: All Models – Two fusible links are located at the starter solenoid terminal to protect the electrical system

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