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 MANUALSBUICK1987CENTURY ESTATE WAGON, 2.5 RREPAIR AND DIAGNOSIS (SINGLE PAGE)MAINTENANCEPROCEDURESMAINTENANCE INFORMATIONFUSES & CIRCUIT BREAKERSFUSE PANEL IDENTIFICATION (1990-93 CENTURY)FUSE & CIRCUIT BREAKER IDENTIFICATION
1987 Buick Century Estate Wagon, 2.5 R
Fuse & Circuit Breaker Identification
1987 Buick Century Estate Wagon, 2.5 RSECTION Fuse & Circuit Breaker Identification
- 1 - 15 Amp (Blue) Electronic Control Module
- 2 - 20 Amp (Yellow) Injector/Coil
- 3 - 20 Amp (Yellow) (1990-92) A/C, Vapor Canister 10 Amp (Red) (1993) A/C Relay, EGR, Canister Purge Solenoid
- 4 - 10 Amp (Red) Fan/Alternator, DRL Module
- 5 - 15 Amp (Light Blue) Turn Flasher, Back-Up Lights, Trunk & Tailgate Release
- 6 - 25 Amp (Clear) Fog/ABS 15 Amp (Blue) Remote Lock Control 10 Amp (Red) Air Bag System
- 7 - 20 Amp (Yellow) Taillights, Parking Lights (1992-93), Side Marker Lights 1992-93), License Plate Light (1992-93), Stoplights & Turn Signals (1992-93)
- 8 - 25 Amp (Clear) (1990-92) Heater & Air Conditioner, Electric Trunk Release (1990-91) 20 Amp (Yellow) (1993) Heater & Air Conditioner
- 9 - 10 Amp (Red) Electric Rear Window Defogger, Electronic Chimes (1990-91), Gauges, Vehicle Speed Sensor, Air Conditioner Relay 1990-91), Transaxle Converter Clutch Brake Switch, Indicator Lights, SERVICE ENGINE SOON Light, Vacuum Warning Module, BRAKE Warning Light, Audible Warning System (1992-93), Computer Command Control (1992-93), Trunk Release (1992-93)
- 10 - 20 Amp (Yellow) Stoplights, Hazard Lights
- 11 - 20 Amp (Yellow) Dome Lights (1990-91), Horn Relay, Cigarette Lighter 1990-91), Glove Box (1990-91), Air Conditioner Relay, Power Locks, Power Antenna, Interior Lights (1992-93), Underhood Light (1992-93), Ashtray/Courtesy Lights (1992-93), Instrument Panel Lights (1992-93), Trunk Light (1992-93), Passive Restraint System (1992-93), Deck Lid Release (92-93)
- 12 - 30 Amp (Circuit Breaker) Power Window, Washer/Wiper, Tailgate On Wagons
- 13 - 5 Amp (Tan) Instrument Panel Lights
- 14 - 10 Amp (Red) Radio, Cruise Control
- 15 - 30 Amp (Circuit Breaker) Power Seats, Electric Rear Window Defogger, Power Door Locks, Washer/Wiper, Tailgate On Wagons (1990-91)
- 16 - 25 Amp (Clear) Wiper Switch Assembly
- 17 - 20 Amp (Yellow) Cigarette Lighter
RENDER: 1.0x
NO RELATED
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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.