Wiring Diagram Cluster
1985 Pontiac Bonneville Headlight Wiring Diagram
Find headlight circuit schematics, high/low beam relay paths, DRL wiring, and ground points for lighting diagnosis.
Matched Diagrams
32
Variant Used
Bonneville V6-231 3.8L
Total Vehicle Diagrams
432
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 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.Headlamp — Diagnostic AidsLighting and HornsOpen2.Headlamp — Diagram Information and InstructionsLighting and HornsOpen3.Headlamp — Electrical DiagramsLighting and HornsOpen4.Components > Switches > Headlamp Dimmer SwitchGeneralOpen5.Electrical Diagrams > Headlamp > Headlamp Switch > 2 Door (Part 1 of 2)GeneralOpen6.Electrical Diagrams > Headlamp > Headlamp Switch > 2 Door (Part 2 of 2)GeneralOpen7.Electrical Diagrams > Headlamp > Headlamp Switch > 4 Door (Part 1 of 2)GeneralOpen8.Electrical Diagrams > Headlamp > Headlamp Switch > 4 Door (Part 2 of 2)GeneralOpen9.Electrical Diagrams > Headlamp > System DiagramGeneralOpen10.Backup Lamp — Diagnostic AidsLighting and HornsOpen11.Backup Lamp — Diagram Information and InstructionsLighting and HornsOpen12.Backup Lamp — Electrical DiagramsLighting and HornsOpen13.Courtesy Lamp — Diagnostic AidsLighting and HornsOpen14.Courtesy Lamp — Diagram Information and InstructionsLighting and HornsOpen15.Courtesy Lamp — Electrical Diagrams > Courtesy & Dome Lamps > 2 DoorLighting and HornsOpen16.Courtesy Lamp — Electrical Diagrams > Courtesy & Dome Lamps > 4 Door > Less Door Courtesy LampLighting and HornsOpen17.Courtesy Lamp — Electrical Diagrams > Courtesy & Dome Lamps > 4 Door > With Door Courtesy LampsLighting and HornsOpen18.Courtesy Lamp — Electrical Diagrams > License Plate, Opera, Rear Marker & Tail Lamp > 2 DoorLighting and HornsOpen19.Courtesy Lamp — Electrical Diagrams > License Plate, Opera, Rear Marker & Tail Lamp > 4 DoorLighting and HornsOpen20.Hazard Warning Lamps — Diagnostic AidsLighting and HornsOpen21.Hazard Warning Lamps — Diagram Information and InstructionsLighting and HornsOpen22.Hazard Warning Lamps — Electrical Diagrams > Front Marker, Hazard, Park, Stop & Turn Lamp > 2 DoorLighting and HornsOpen23.Hazard Warning Lamps — Electrical Diagrams > Front Marker, Hazard, Park, Stop & Turn Lamp > 4 DoorLighting and HornsOpen24.Hazard Warning Lamps — Electrical Diagrams > Rear Hazard, Stop & Turn Lamp Wiring CircuitLighting and HornsOpen25.Horn — Diagnostic AidsLighting and HornsOpen26.Horn — Diagram Information and InstructionsLighting and HornsOpen27.Horn — Electrical DiagramsLighting and HornsOpen28.Turn Signals — Diagnostic AidsLighting and HornsOpen29.Turn Signals — Diagram Information and InstructionsLighting and HornsOpen30.Turn Signals — Electrical Diagrams > Front Marker, Hazard, Park, Stop & Turn Lamps > 2 DoorLighting and HornsOpen31.Turn Signals — Electrical Diagrams > Front Marker, Hazard, Park, Stop & Turn Lamps > 4 DoorLighting and HornsOpen32.Turn Signals — Electrical Diagrams > Rear Hazard, Stop & Turn LampsLighting and HornsOpen
Exact Vehicle Hub
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