Wiring Diagram Cluster
1985 Buick Century Headlight Wiring Diagram
Find headlight circuit schematics, high/low beam relay paths, DRL wiring, and ground points for lighting diagnosis.
Matched Diagrams
48
Variant Used
Century Estate Wagon L4-151 2.5L
Total Vehicle Diagrams
348
From Diagram To Fix
Use this wiring page as the jump point, not the dead end
Open the exact diagram, then move directly into the vehicle hub, the repair most likely tied to this system, or the code cluster that usually shows up with it.
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Vehicle Repair Hub
Step out of raw diagrams and into the full 1985 Buick Century hub with repairs, specs, codes, and other systems already tied to this car.
View vehicle repair hub →Likely fix path
Exact Repair Guides
These repair flows most often intersect with headlight diagnosis on this exact vehicle.
Headlight Bulb Replacement →Diagnostic signal
Codes Often Seen With This System
Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.
P0563: System Voltage High →Top Headlight Diagram Paths
1.Electrical Diagrams > Lighting and Horns > HeadlampGeneralOpen2.Headlamp — Diagram Information and InstructionsLighting and HornsOpen3.Headlamp — Electrical DiagramsLighting and HornsOpen4.Electrical Diagrams > Ground Distribution > Rear Lighting (G403) Except Station WagonPower and Ground DistributionOpen5.Electrical Diagrams > Ground Distribution > Rear Lighting (G403) Station WagonPower and Ground DistributionOpen6.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen7.Electrical Diagrams > Lighting and Horns > Brake Lamp > Front Marker, Hazard, Park, Stop & Turn LampGeneralOpen8.Electrical Diagrams > Lighting and Horns > Brake Lamp > Rear Hazard, Stop & Turn LampGeneralOpen9.Electrical Diagrams > Lighting and Horns > Center Mounted Brake LampGeneralOpen10.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Front Marker, Hazard, Park, Stop & Turn LampGeneralOpen11.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Rear Lights (Hazard, Stop & Turn)GeneralOpen12.Electrical Diagrams > Lighting and Horns > HornGeneralOpen13.Electrical Diagrams > Lighting and Horns > License Plate Lamp > Except WagonGeneralOpen14.Electrical Diagrams > Lighting and Horns > License Plate Lamp > Wagon > Less Power GateGeneralOpen15.Electrical Diagrams > Lighting and Horns > License Plate Lamp > Wagon > With Power GateGeneralOpen16.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Marker, Hazard, Park, Stop & TurnGeneralOpen17.Electrical Diagrams > Lighting and Horns > Marker Lamp > License Plate, Rear Marker & Tail Lamps > Except WagonGeneralOpen18.Electrical Diagrams > Lighting and Horns > Marker Lamp > License Plate, Rear Marker & Tail Lamps > Wagon > Less Power GateGeneralOpen19.Electrical Diagrams > Lighting and Horns > Marker Lamp > License Plate, Rear Marker & Tail Lamps > Wagon > With Power GateGeneralOpen20.Electrical Diagrams > Lighting and Horns > Parking LampGeneralOpen21.Electrical Diagrams > Lighting and Horns > System Diagram > Cigar Lighter & Interior Lamps > Part 1 of 2GeneralOpen22.Electrical Diagrams > Lighting and Horns > System Diagram > Cigar Lighter & Interior Lamps > Part 2 of 2GeneralOpen23.Electrical Diagrams > Lighting and Horns > System Diagram > Clock, Console Shift Indicator & Instrument Panel Illumination > Part 1 of 2GeneralOpen24.Electrical Diagrams > Lighting and Horns > System Diagram > Clock, Console Shift Indicator & Instrument Panel Illumination > Part 2 of 2GeneralOpen25.Electrical Diagrams > Lighting and Horns > System Diagram > Twilight SentinelGeneralOpen26.Electrical Diagrams > Lighting and Horns > Tail Lamp > Except WagonGeneralOpen27.Electrical Diagrams > Lighting and Horns > Tail Lamp > Wagon > Less Power GateGeneralOpen28.Electrical Diagrams > Lighting and Horns > Tail Lamp > Wagon > With Power GateGeneralOpen29.Electrical Diagrams > Lighting and Horns > Turn Signals > Front Marker, Hazard, Park, Stop & Turn LampsGeneralOpen30.Electrical Diagrams > Lighting and Horns > Turn Signals > Rear Hazard, Stop & Turn LampsGeneralOpen31.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Ground Distribution > Rear Lighting (G403) Except Station WagonGeneralOpen32.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Ground Distribution > Rear Lighting (G403) Station WagonGeneralOpen33.Power and Ground Distribution — Electrical Diagrams > Ground Distribution > Rear Lighting (G403) Except Station WagonStarting and ChargingOpen34.Power and Ground Distribution — Electrical Diagrams > Ground Distribution > Rear Lighting (G403) Station WagonStarting and ChargingOpen35.Diagram Information and InstructionsLighting and HornsOpen36.Electrical Diagrams > Cigar Lighter & Interior Lamps > Part 1 of 2Lighting and HornsOpen37.Electrical Diagrams > Cigar Lighter & Interior Lamps > Part 2 of 2Lighting and HornsOpen38.Electrical Diagrams > Clock, Console Shift Indicator & Instrument Panel Illumination > Part 1 of 2Lighting and HornsOpen39.Electrical Diagrams > Clock, Console Shift Indicator & Instrument Panel Illumination > Part 2 of 2Lighting and HornsOpen40.Electrical Diagrams > Twilight SentinelLighting and HornsOpen41.Hazard Warning Lamps — Diagram Information and InstructionsLighting and HornsOpen42.Hazard Warning Lamps — Electrical Diagrams > Front Marker, Hazard, Park, Stop & Turn LampLighting and HornsOpen43.Hazard Warning Lamps — Electrical Diagrams > Rear Lights (Hazard, Stop & Turn)Lighting and HornsOpen44.Horn — Diagram Information and InstructionsLighting and HornsOpen45.Horn — Electrical DiagramsLighting and HornsOpen46.Turn Signals — Diagram Information and InstructionsLighting and HornsOpen47.Turn Signals — Electrical Diagrams > Front Marker, Hazard, Park, Stop & Turn LampsLighting and HornsOpen48.Turn Signals — Electrical Diagrams > Rear Hazard, Stop & Turn LampsLighting and HornsOpen
Exact Vehicle Hub
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