Wiring Diagram Cluster
1991 Pontiac Firebird 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
Firebird V6-191 3.1L
Total Vehicle Diagrams
587
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 1991 Pontiac Firebird 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.Components > Modules > Daytime Running Lamps (DRL) ModuleGeneralOpen2.Daytime Running Lamp — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen3.Daytime Running Lamp — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen4.Daytime Running Lamp — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen5.Daytime Running Lamp — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen6.Daytime Running Lamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen7.Daytime Running Lamp — Electrical DiagramsLighting and HornsOpen8.Headlamp — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen9.Headlamp — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen10.Headlamp — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen11.Headlamp — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen12.Headlamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen13.Headlamp — Electrical DiagramsLighting and HornsOpen14.Turn Signals — Electrical Diagrams > With Daytime Running LampsLighting and HornsOpen15.Turn Signals — Electrical Diagrams > Without Daytime Running LampsLighting and HornsOpen16.Components > Modules > Headlamp Door ModuleGeneralOpen17.Electrical Diagrams > Brake Lamp > With Daytime Running LampsGeneralOpen18.Electrical Diagrams > Brake Lamp > Without Daytime Running LampsGeneralOpen19.Electrical Diagrams > Center Mounted Brake Lamp > With Daytime Running LampsGeneralOpen20.Electrical Diagrams > Center Mounted Brake Lamp > Without Daytime Running LampsGeneralOpen21.Electrical Diagrams > Daytime Running LampGeneralOpen22.Electrical Diagrams > Headlamp > Headlamp MotorGeneralOpen23.Electrical Diagrams > Headlamp > Headlamp SwitchGeneralOpen24.Electrical Diagrams > Headlamp > System DiagramGeneralOpen25.Electrical Diagrams > Instrument Panel and Warning Indicators > Warning Indicators > Brake Warning Indicator > With Daytime Running LampsInstrument Panel, Gauges and Warning IndicatorsOpen26.Electrical Diagrams > Instrument Panel and Warning Indicators > Warning Indicators > Brake Warning Indicator > Without Daytime Running LampsInstrument Panel, Gauges and Warning IndicatorsOpen27.Electrical Diagrams > Instrument Panel and Warning Indicators > Warning Indicators > High Beam, Safety Belt, Service Engine Soon, Turn IndicatorsInstrument Panel, Gauges and Warning IndicatorsOpen28.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Warning Indicators > Brake Warning Indicator > With Daytime Running LampsGeneralOpen29.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Warning Indicators > Brake Warning Indicator > Without Daytime Running LampsGeneralOpen30.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel and Warning Indicators > Warning Indicators > High Beam, Safety Belt, Service Engine Soon, Turn IndicatorsGeneralOpen31.Electrical Diagrams > Marker Lamp > Front Marker Lamps > Less Daytime Running LampsGeneralOpen32.Electrical Diagrams > Marker Lamp > Front Marker Lamps > With Daytime Running LampsGeneralOpen33.Electrical Diagrams > Parking Lamp > Less Daytime Running LampsGeneralOpen34.Electrical Diagrams > Parking Lamp > With Daytime Running LampsGeneralOpen35.Electrical Diagrams > Turn Signals > With Daytime Running LampsGeneralOpen36.Electrical Diagrams > Turn Signals > Without Daytime Running LampsGeneralOpen37.Backup Lamp — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen38.Backup Lamp — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen39.Backup Lamp — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen40.Backup Lamp — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen41.Backup Lamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen42.Backup Lamp — Electrical DiagramsLighting and HornsOpen43.Courtesy Lamp — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen44.Courtesy Lamp — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen45.Courtesy Lamp — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen46.Courtesy Lamp — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen47.Courtesy Lamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen48.Courtesy Lamp — Electrical DiagramsLighting and HornsOpen
Exact Vehicle Hub
Browse →Repairs That Intersect This Wiring
Browse →Likely Trouble Codes for This System
Browse →More Firebird Wiring Pages
Starter Wiring DiagramAlternator Wiring DiagramA/C & Heater Wiring DiagramPower Window Wiring DiagramInstrument Cluster Wiring DiagramWiper & Washer Wiring DiagramTransmission Wiring DiagramCruise Control Wiring DiagramAirbag SRS Wiring DiagramEngine Management Wiring DiagramBody Electrical Wiring Diagram
Same System, Other Vehicles
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