Wiring Diagram Cluster

1989 Buick Regal 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

Regal V6-173 2.8L

Total Vehicle Diagrams

653

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.

Keep context

Vehicle Repair Hub

Step out of raw diagrams and into the full 1989 Buick Regal hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

Likely fix path

Exact Repair Guides

These repair flows most often intersect with headlight diagnosis on this exact vehicle.

Headlight Bulb Replacement β†’

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 β†’

Top Headlight Diagram Paths

1.Fog/Driving Lamp β€” Electrical Diagrams > With Daytime Running Lamps (DRL) > Part 1 of 3Lighting and HornsOpen2.Fog/Driving Lamp β€” Electrical Diagrams > With Daytime Running Lamps (DRL) > Part 2 of 3Lighting and HornsOpen3.Fog/Driving Lamp β€” Electrical Diagrams > With Daytime Running Lamps (DRL) > Part 3 of 3Lighting and HornsOpen4.Fog/Driving Lamp β€” Electrical Diagrams > Without Daytime Running Lamps (DRL) > Part 1 of 2Lighting and HornsOpen5.Fog/Driving Lamp β€” Electrical Diagrams > Without Daytime Running Lamps (DRL) > Part 2 of 2Lighting and HornsOpen6.Headlamp β€” Electrical Diagrams > Less Day Time Running LightingLighting and HornsOpen7.Headlamp β€” Electrical Diagrams > With Daytime Running LampsLighting and HornsOpen8.Electrical Diagrams > Fog/Driving Lamp > With Daytime Running Lamps (DRL) > Part 1 of 3GeneralOpen9.Electrical Diagrams > Fog/Driving Lamp > With Daytime Running Lamps (DRL) > Part 2 of 3GeneralOpen10.Electrical Diagrams > Fog/Driving Lamp > With Daytime Running Lamps (DRL) > Part 3 of 3GeneralOpen11.Electrical Diagrams > Fog/Driving Lamp > Without Daytime Running Lamps (DRL) > Part 1 of 2GeneralOpen12.Electrical Diagrams > Fog/Driving Lamp > Without Daytime Running Lamps (DRL) > Part 2 of 2GeneralOpen13.Electrical Diagrams > Headlamp > Headlamp Switch > Part 1 of 6 Less Day Time Running LightingGeneralOpen14.Electrical Diagrams > Headlamp > Headlamp Switch > Part 2 of 6 Less Day Time Running LightingGeneralOpen15.Electrical Diagrams > Headlamp > Headlamp Switch > Part 3 of 6 Less Day Time Running LightingGeneralOpen16.Electrical Diagrams > Headlamp > Headlamp Switch > Part 4 of 6 With Day Time Running LightingGeneralOpen17.Electrical Diagrams > Headlamp > Headlamp Switch > Part 5 of 6 With Day Time Running LightingGeneralOpen18.Electrical Diagrams > Headlamp > Headlamp Switch > Part 6 of 6 With Day Time Running LightingGeneralOpen19.Electrical Diagrams > Headlamp > System Diagram > Less Day Time Running LightingGeneralOpen20.Electrical Diagrams > Headlamp > System Diagram > With Daytime Running LampsGeneralOpen21.Hazard Warning Lamps β€” Electrical Diagrams > Less Day Time Running Lighting > Part 1 of 2Lighting and HornsOpen22.Hazard Warning Lamps β€” Electrical Diagrams > Less Day Time Running Lighting > Part 2 of 2Lighting and HornsOpen23.Hazard Warning Lamps β€” Electrical Diagrams > With Day Time Running LightingLighting and HornsOpen24.Headlamp β€” Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen25.Headlamp β€” Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen26.Headlamp β€” Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen27.Headlamp β€” Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen28.Headlamp β€” Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen29.Headlamp β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen30.Turn Signals β€” Electrical Diagrams > With Daytime Running LampsLighting and HornsOpen31.Turn Signals β€” Electrical Diagrams > Without Daytime Running LampsLighting and HornsOpen32.Components > Switches > Headlight Dimmer SwitchGeneralOpen33.Electrical Diagrams > Brake Lamp > With Daytime Running LampsGeneralOpen34.Electrical Diagrams > Brake Lamp > Without Daytime Running LampsGeneralOpen35.Electrical Diagrams > Hazard Warning Lamps > Less Day Time Running Lighting > Part 1 of 2GeneralOpen36.Electrical Diagrams > Hazard Warning Lamps > Less Day Time Running Lighting > Part 2 of 2GeneralOpen37.Electrical Diagrams > Hazard Warning Lamps > With Day Time Running LightingGeneralOpen38.Electrical Diagrams > Turn Signals > With Daytime Running LampsGeneralOpen39.Electrical Diagrams > Turn Signals > Without Daytime Running LampsGeneralOpen40.Backup Lamp β€” Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen41.Backup Lamp β€” Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen42.Backup Lamp β€” Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen43.Backup Lamp β€” Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen44.Backup Lamp β€” Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen45.Backup Lamp β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen46.Backup Lamp β€” Electrical DiagramsLighting and HornsOpen47.Fog/Driving Lamp β€” Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen48.Fog/Driving Lamp β€” Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen