Wiring Diagram Cluster

1987 Buick Riviera Headlight Wiring Diagram

Find headlight circuit schematics, high/low beam relay paths, DRL wiring, and ground points for lighting diagnosis.

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Matched Diagrams

45

Variant Used

Riviera V6-231 3.8L

Total Vehicle Diagrams

422

From Diagram To Fix

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Vehicle Repair Hub

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Headlight Bulb Replacement

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 > With Sentinel DimmingGeneralOpen 2.Electrical Diagrams > Lighting and Horns > Headlamp > Without Sentinel DimmingGeneralOpen 3.Headlamp — Diagram Information and InstructionsLighting and HornsOpen 4.Headlamp — Electrical Diagrams > With Sentinel DimmingLighting and HornsOpen 5.Headlamp — Electrical Diagrams > Without Sentinel DimmingLighting and HornsOpen 6.Components > Switches > Headlamp Dimmer SwitchGeneralOpen 7.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen 8.Electrical Diagrams > Lighting and Horns > Brake LampGeneralOpen 9.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Ash Tray LampGeneralOpen 10.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Door Lamp > Courtesy Lamps (Part 1 of 2)GeneralOpen 11.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Door Lamp > Courtesy Lamps (Part 2 of 2)GeneralOpen 12.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Glove Box LampGeneralOpen 13.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > System Diagram > Courtesy LampsGeneralOpen 14.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > System Diagram > Rear Quarter, Trunk & Glove BoxGeneralOpen 15.Electrical Diagrams > Lighting and Horns > Dome Lamp > Courtesy Lamps (Part 1 of 2)GeneralOpen 16.Electrical Diagrams > Lighting and Horns > Dome Lamp > Courtesy Lamps (Part 2 of 2)GeneralOpen 17.Electrical Diagrams > Lighting and Horns > Hazard Warning LampsGeneralOpen 18.Electrical Diagrams > Lighting and Horns > HornGeneralOpen 19.Electrical Diagrams > Lighting and Horns > Map Light > Courtesy LampsGeneralOpen 20.Electrical Diagrams > Lighting and Horns > Map Light > Rear Quarter, Trunk & Glove BoxGeneralOpen 21.Electrical Diagrams > Lighting and Horns > Marker LampGeneralOpen 22.Electrical Diagrams > Lighting and Horns > Parking LampGeneralOpen 23.Electrical Diagrams > Lighting and Horns > System Diagram > Part 1 of 2GeneralOpen 24.Electrical Diagrams > Lighting and Horns > System Diagram > Part 2 of 2GeneralOpen 25.Electrical Diagrams > Lighting and Horns > Tail LampGeneralOpen 26.Electrical Diagrams > Lighting and Horns > Trunk LampGeneralOpen 27.Electrical Diagrams > Lighting and Horns > Turn Signals > Part 1 of 3GeneralOpen 28.Electrical Diagrams > Lighting and Horns > Turn Signals > Part 2 of 3GeneralOpen 29.Electrical Diagrams > Lighting and Horns > Turn Signals > Part 3 of 3GeneralOpen 30.Backup Lamp — Diagram Information and InstructionsLighting and HornsOpen 31.Backup Lamp — Electrical DiagramsLighting and HornsOpen 32.Brake Lamp — Diagram Information and InstructionsLighting and HornsOpen 33.Brake Lamp — Electrical DiagramsLighting and HornsOpen 34.Courtesy Lamp — Diagram Information and InstructionsLighting and HornsOpen 35.Courtesy Lamp — Electrical Diagrams > Courtesy LampsLighting and HornsOpen 36.Courtesy Lamp — Electrical Diagrams > Rear Quarter, Trunk & Glove BoxLighting and HornsOpen 37.Diagram Information and InstructionsLighting and HornsOpen 38.Electrical Diagrams > Part 1 of 2Lighting and HornsOpen 39.Electrical Diagrams > Part 2 of 2Lighting and HornsOpen 40.Horn — Diagram Information and InstructionsLighting and HornsOpen 41.Horn — Electrical DiagramsLighting and HornsOpen 42.Turn Signals — Diagram Information and InstructionsLighting and HornsOpen 43.Turn Signals — Electrical Diagrams > Part 1 of 3Lighting and HornsOpen 44.Turn Signals — Electrical Diagrams > Part 2 of 3Lighting and HornsOpen 45.Turn Signals — Electrical Diagrams > Part 3 of 3Lighting and HornsOpen

Exact Vehicle Hub

1987 Buick Riviera Repair HubExact Vehicle

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Repairs That Intersect This Wiring

1987 Buick Riviera Headlight Bulb ReplacementRepair

Open the matching repair workflow that usually intersects with headlight diagnosis on this vehicle.

Likely Trouble Codes for This System

P0563: System Voltage HighCode

Electrical code commonly seen during headlight diagnosis.

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