Wiring Diagram Cluster
1990 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 V6-3800 3.8L
Total Vehicle Diagrams
919
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 1990 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 > Daytime Running LampGeneralOpen2.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Le & SE Model > Less Driver InformationGeneralOpen3.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Le & SE Model > With Driver Information (SE Only) > Part 1 of 2GeneralOpen4.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Le & SE Model > With Driver Information (SE Only) > Part 2 of 2GeneralOpen5.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > SSE ModelGeneralOpen6.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Standard > Part 1 of 2GeneralOpen7.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Standard > Part 2 of 2GeneralOpen8.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > Less Driver Information CenterGeneralOpen9.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > With Driver Information Center > SE ModelGeneralOpen10.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > With Driver Information Center > SSE ModelGeneralOpen11.Daytime Running Lamp — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen12.Daytime Running Lamp — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen13.Daytime Running Lamp — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen14.Daytime Running Lamp — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen15.Daytime Running Lamp — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen16.Daytime Running Lamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen17.Daytime Running Lamp — Electrical DiagramsLighting and HornsOpen18.Headlamp — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen19.Headlamp — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen20.Headlamp — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen21.Headlamp — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen22.Headlamp — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen23.Headlamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen24.Headlamp — Electrical Diagrams > Less Driver Information CenterLighting and HornsOpen25.Headlamp — Electrical Diagrams > With Driver Information Center > SE ModelLighting and HornsOpen26.Headlamp — Electrical Diagrams > With Driver Information Center > SSE ModelLighting and HornsOpen27.Components > Modules > Headlamp Washer Timer ModuleGeneralOpen28.Components > Motors > Headlamp Washer MotorGeneralOpen29.Components > Switches > Headlamp Dimmer SwitchGeneralOpen30.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > Headlamp Reminder Indicator > LE & SE Model > Gauges > Less Driver Information CenterGeneralOpen31.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > Headlamp Reminder Indicator > LE & SE Model > Gauges > With Driver Information CenterGeneralOpen32.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > Headlamp Reminder Indicator > LE & SE Model > IndicatorsGeneralOpen33.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > Headlamp Reminder Indicator > SSE ModelGeneralOpen34.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen35.Electrical Diagrams > Lighting and Horns > Brake LampGeneralOpen36.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > CourtesyGeneralOpen37.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Courtesy, Dome & ReadingGeneralOpen38.Electrical Diagrams > Lighting and Horns > Dimmer Switch > LE & SE ModelGeneralOpen39.Electrical Diagrams > Lighting and Horns > Dimmer Switch > SSE ModelGeneralOpen40.Electrical Diagrams > Lighting and Horns > Dimmer Switch > StandardGeneralOpen41.Electrical Diagrams > Lighting and Horns > Dome LampGeneralOpen42.Electrical Diagrams > Lighting and Horns > Horn > LE & SE ModelGeneralOpen43.Electrical Diagrams > Lighting and Horns > Horn > SSE ModelGeneralOpen44.Electrical Diagrams > Lighting and Horns > Map LightGeneralOpen45.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lamps > Less Driver Information Center > Part 1 of 3GeneralOpen46.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lamps > Less Driver Information Center > Part 2 of 3GeneralOpen47.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lamps > Less Driver Information Center > Part 3 of 3GeneralOpen48.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lamps > With Driver Information Center > LE & SE ModelGeneralOpen
Exact Vehicle Hub
Browse →Repairs That Intersect This Wiring
Browse →Likely Trouble Codes for This System
Browse →More Bonneville Wiring Pages
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Same System, Other Vehicles
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