Wiring Diagram Cluster
1985 Buick Regal Headlight Wiring Diagram
Find headlight circuit schematics, high/low beam relay paths, DRL wiring, and ground points for lighting diagnosis.
Matched Diagrams
47
Variant Used
Regal V6-231 3.8L Turbo VIN 9 FI
Total Vehicle Diagrams
464
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 Regal 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 > Headlamp > Headlamp Switch > Part 1 of 2GeneralOpen2.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Part 2 of 2GeneralOpen3.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > With Twilight SentinelGeneralOpen4.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > Without Twilight SentinelGeneralOpen5.Headlamp — Diagnostic AidsLighting and HornsOpen6.Headlamp — Diagram Information and InstructionsLighting and HornsOpen7.Headlamp — Electrical Diagrams > With Twilight SentinelLighting and HornsOpen8.Headlamp — Electrical Diagrams > Without Twilight SentinelLighting and HornsOpen9.Components > Switches > Headlamp Dimmer SwitchGeneralOpen10.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen11.Electrical Diagrams > Lighting and Horns > Brake Lamp > Front Marker, Hazard, Park, Stop & Turn LampGeneralOpen12.Electrical Diagrams > Lighting and Horns > Brake Lamp > Rear Hazard, Stop & Turn LampGeneralOpen13.Electrical Diagrams > Lighting and Horns > Cornering LampGeneralOpen14.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Courtesy, Dome, Reading Vanity & Trunk Lamp > Part 1 of 2GeneralOpen15.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Courtesy, Dome, Reading Vanity & Trunk Lamp > Part 2 of 2GeneralOpen16.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Opera LampGeneralOpen17.Electrical Diagrams > Lighting and Horns > Dome Lamp > Part 1 of 2GeneralOpen18.Electrical Diagrams > Lighting and Horns > Dome Lamp > Part 2 of 2GeneralOpen19.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Front Marker, Hazard, Park, Stop & Turn LampGeneralOpen20.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Rear Hazard, Stop & Turn Lamp Wiring CircuitGeneralOpen21.Electrical Diagrams > Lighting and Horns > HornGeneralOpen22.Electrical Diagrams > Lighting and Horns > License Plate LampGeneralOpen23.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Marker, Hazard, Park, Stop & TurnGeneralOpen24.Electrical Diagrams > Lighting and Horns > Marker Lamp > License Plate, Rear Marker & Tail LampsGeneralOpen25.Electrical Diagrams > Lighting and Horns > Parking LampGeneralOpen26.Electrical Diagrams > Lighting and Horns > System DiagramGeneralOpen27.Electrical Diagrams > Lighting and Horns > Tail LampGeneralOpen28.Electrical Diagrams > Lighting and Horns > Trunk LampGeneralOpen29.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.Backup Lamp — Diagnostic AidsLighting and HornsOpen32.Backup Lamp — Diagram Information and InstructionsLighting and HornsOpen33.Backup Lamp — Electrical DiagramsLighting and HornsOpen34.Diagnostic AidsLighting and HornsOpen35.Diagram Information and InstructionsLighting and HornsOpen36.Electrical DiagramsLighting and HornsOpen37.Hazard Warning Lamps — Diagnostic AidsLighting and HornsOpen38.Hazard Warning Lamps — Diagram Information and InstructionsLighting and HornsOpen39.Hazard Warning Lamps — Electrical Diagrams > Front Marker, Hazard, Park, Stop & Turn LampLighting and HornsOpen40.Hazard Warning Lamps — Electrical Diagrams > Rear Hazard, Stop & Turn Lamp Wiring CircuitLighting and HornsOpen41.Horn — Diagnostic AidsLighting and HornsOpen42.Horn — Diagram Information and InstructionsLighting and HornsOpen43.Horn — Electrical DiagramsLighting and HornsOpen44.Turn Signals — Diagnostic AidsLighting and HornsOpen45.Turn Signals — Diagram Information and InstructionsLighting and HornsOpen46.Turn Signals — Electrical Diagrams > Front Marker, Hazard, Park, Stop & Turn LampsLighting and HornsOpen47.Turn Signals — Electrical Diagrams > Rear Hazard, Stop & Turn LampsLighting and HornsOpen
Exact Vehicle Hub
Browse →Repairs That Intersect This Wiring
Browse →Likely Trouble Codes for This System
Browse →More Regal Wiring Pages
Starter Wiring DiagramAlternator Wiring DiagramABS Brake Wiring DiagramA/C & Heater Wiring DiagramPower Window Wiring DiagramInstrument Cluster Wiring DiagramWiper & Washer Wiring DiagramTransmission Wiring DiagramCruise Control Wiring DiagramEngine Management Wiring DiagramBody Electrical Wiring Diagram
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