Wiring Diagram Cluster
1991 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
797
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 1991 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 > Less Driver Information Center (DIC) > Le & SE ModelGeneralOpen3.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Less Driver Information Center (DIC) > SSE ModelGeneralOpen4.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Less Driver Information Center (DIC) > Standard ModelGeneralOpen5.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > With Driver Information Center > SE ModelGeneralOpen6.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > With Driver Information Center > SSE ModelGeneralOpen7.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > With Driver Information Center > Standard ModelGeneralOpen8.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > SE ModelsGeneralOpen9.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > SSE Model > Less Driver Information CenterGeneralOpen10.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > SSE Model > With Driver Information CenterGeneralOpen11.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 > Wire Color Code IdentificationLighting and HornsOpen16.Daytime Running Lamp — Electrical DiagramsLighting and HornsOpen17.Headlamp — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen18.Headlamp — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen19.Headlamp — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen20.Headlamp — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen21.Headlamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen22.Headlamp — Electrical Diagrams > SE ModelsLighting and HornsOpen23.Headlamp — Electrical Diagrams > SSE Model > Less Driver Information CenterLighting and HornsOpen24.Headlamp — Electrical Diagrams > SSE Model > With Driver Information CenterLighting and HornsOpen25.Components > Modules > Headlamp Washer Timer ModuleGeneralOpen26.Components > Modules > Twilight Sentinel/Daytime Running Lamps ModuleGeneralOpen27.Components > Switches > Headlamp Dimmer SwitchGeneralOpen28.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > U50 Option (SSE) > High Beam, Safety Belt, Turn IndicatorsInstrument Panel, Gauges and Warning IndicatorsOpen29.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > High Beam & Turn Indicators > Less Driver Information CenterInstrument Panel, Gauges and Warning IndicatorsOpen30.Electrical Diagrams > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > High Beam & Turn Indicators > With Driver Information CenterInstrument Panel, Gauges and Warning IndicatorsOpen31.Electrical Diagrams > Instrument Panel and Warning Indicators > Indicator Cluster > Fasten Safety Belts, High Beam, Turn IndicatorsInstrument Panel, Gauges and Warning IndicatorsOpen32.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > U50 Option (SSE) > High Beam, Safety Belt, Turn IndicatorsGeneralOpen33.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > High Beam & Turn Indicators > Less Driver Information CenterGeneralOpen34.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Gauge Cluster > Warning Indicators > High Beam & Turn Indicators > With Driver Information CenterGeneralOpen35.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Indicator Cluster > Fasten Safety Belts, High Beam, Turn IndicatorsGeneralOpen36.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen37.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Le & SE ModelGeneralOpen38.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > SSE ModelGeneralOpen39.Electrical Diagrams > Lighting and Horns > Dimmer Switch > LE & SE ModelGeneralOpen40.Electrical Diagrams > Lighting and Horns > Dimmer Switch > SSE ModelGeneralOpen41.Electrical Diagrams > Lighting and Horns > Dimmer Switch > Standard ModelGeneralOpen42.Electrical Diagrams > Lighting and Horns > Dome Lamp > LE & SE ModelGeneralOpen43.Electrical Diagrams > Lighting and Horns > Dome Lamp > SSE ModelGeneralOpen44.Electrical Diagrams > Lighting and Horns > Horn > LE & SE ModelGeneralOpen45.Electrical Diagrams > Lighting and Horns > Horn > SSE ModelGeneralOpen46.Electrical Diagrams > Lighting and Horns > Map Light > LE & SE ModelGeneralOpen47.Electrical Diagrams > Lighting and Horns > Map Light > SSE ModelGeneralOpen48.Electrical Diagrams > Lighting and Horns > System Diagram > Illuminated Entry System > 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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