Wiring Diagram Cluster
1987 Pontiac Bonneville 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
Bonneville V6-231 3.8L
Total Vehicle Diagrams
407
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 1987 Pontiac Bonneville 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 3GeneralOpen2.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Part 2 of 3GeneralOpen3.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Part 3 of 3GeneralOpen4.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > With Lamp MonitorGeneralOpen5.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > With Twilight SentinelGeneralOpen6.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > Without Lamp Monitor & Twilight SentinelGeneralOpen7.Headlamp — Diagram Information and InstructionsLighting and HornsOpen8.Headlamp — Electrical Diagrams > With Lamp MonitorLighting and HornsOpen9.Headlamp — Electrical Diagrams > With Twilight SentinelLighting and HornsOpen10.Headlamp — Electrical Diagrams > Without Lamp Monitor & Twilight SentinelLighting and HornsOpen11.Components > Switches > Headlamp Dimmer SwitchGeneralOpen12.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen13.Electrical Diagrams > Lighting and Horns > Brake Lamp > With Lamp MonitorGeneralOpen14.Electrical Diagrams > Lighting and Horns > Brake Lamp > Without Lamp MonitorGeneralOpen15.Electrical Diagrams > Lighting and Horns > Cornering LampGeneralOpen16.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Glove Box LampGeneralOpen17.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > System Diagram > Console, Switch Illumination & UnderhoodGeneralOpen18.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > System Diagram > Courtesy, Dome & ReadingGeneralOpen19.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > System Diagram > Door Courtesy & Warning LampsGeneralOpen20.Electrical Diagrams > Lighting and Horns > Dome LampGeneralOpen21.Electrical Diagrams > Lighting and Horns > Fog/Driving LampGeneralOpen22.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Front Hazard, Marker, Park & Turn > Less Lamp MonitorGeneralOpen23.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Front Hazard, Marker, Park & Turn > With MonitorGeneralOpen24.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Rear Hazard, Stop & Turn Lamp Wiring Circuit > Less Lamp MonitorGeneralOpen25.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Rear Hazard, Stop & Turn Lamp Wiring Circuit > With Lamp MonitorGeneralOpen26.Electrical Diagrams > Lighting and Horns > HornGeneralOpen27.Electrical Diagrams > Lighting and Horns > License Plate Lamp > Less Lamp MonitorGeneralOpen28.Electrical Diagrams > Lighting and Horns > License Plate Lamp > With Lamp MonitorGeneralOpen29.Electrical Diagrams > Lighting and Horns > Map LightGeneralOpen30.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Hazard, Marker, Park & Turn Lamps > Less Lamp MonitorGeneralOpen31.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Hazard, Marker, Park & Turn Lamps > With Lamp MonitorGeneralOpen32.Electrical Diagrams > Lighting and Horns > Marker Lamp > Rear Marker/License/Tail Lamps > Less Lamp MonitorGeneralOpen33.Electrical Diagrams > Lighting and Horns > Marker Lamp > Rear Marker/License/Tail Lamps > With Lamp MonitorGeneralOpen34.Electrical Diagrams > Lighting and Horns > Parking Lamp > Less Lamp MonitorGeneralOpen35.Electrical Diagrams > Lighting and Horns > Parking Lamp > With Lamp MonitorGeneralOpen36.Electrical Diagrams > Lighting and Horns > System DiagramGeneralOpen37.Electrical Diagrams > Lighting and Horns > Tail Lamp > Less Lamp MonitorGeneralOpen38.Electrical Diagrams > Lighting and Horns > Tail Lamp > With Lamp MonitorGeneralOpen39.Electrical Diagrams > Lighting and Horns > Trunk LampGeneralOpen40.Electrical Diagrams > Lighting and Horns > Turn Signals > Front Hazard, Marker, Park & Turn Lamps > Less Lamp MonitorGeneralOpen41.Electrical Diagrams > Lighting and Horns > Turn Signals > Front Hazard, Marker, Park & Turn Lamps > With Lamp MonitorGeneralOpen42.Electrical Diagrams > Lighting and Horns > Turn Signals > Rear Hazard, Stop & Turn Lamps > Less Lamp MonitorGeneralOpen43.Electrical Diagrams > Lighting and Horns > Turn Signals > Rear Hazard, Stop & Turn Lamps > With Lamp MonitorGeneralOpen44.Electrical Diagrams > Lighting and Horns > Underhood LampGeneralOpen45.Electrical Diagrams > Lighting and Horns > Vanity LampGeneralOpen46.Backup Lamp — Diagram Information and InstructionsLighting and HornsOpen47.Backup Lamp — Electrical DiagramsLighting and HornsOpen48.Courtesy Lamp — Diagram Information and InstructionsLighting and HornsOpen
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