Wiring Diagram Cluster
1990 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
593
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 1990 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.Electrical Diagrams > Lighting and Horns > Brake Lamp > With Daytime Running LampsGeneralOpen2.Electrical Diagrams > Lighting and Horns > Brake Lamp > Without Daytime Running LampsGeneralOpen3.Electrical Diagrams > Lighting and Horns > Center Mounted Brake Lamp > With Daytime Running Lamps > Except Trans AmGeneralOpen4.Electrical Diagrams > Lighting and Horns > Center Mounted Brake Lamp > With Daytime Running Lamps > Trans AmGeneralOpen5.Electrical Diagrams > Lighting and Horns > Center Mounted Brake Lamp > Without Daytime Running Lamps > Except Trans AmGeneralOpen6.Electrical Diagrams > Lighting and Horns > Center Mounted Brake Lamp > Without Daytime Running Lamps > Trans AmGeneralOpen7.Electrical Diagrams > Lighting and Horns > Daytime Running LampGeneralOpen8.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp MotorGeneralOpen9.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Part 1 of 2GeneralOpen10.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Part 2 of 2GeneralOpen11.Electrical Diagrams > Lighting and Horns > Headlamp > System DiagramGeneralOpen12.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Marker, Hazard, High Level Stop, Parking, Stop and Turn > With Daytime Running Lamps > Except Trans AM > Part 1 of 3GeneralOpen13.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Marker, Hazard, High Level Stop, Parking, Stop and Turn > With Daytime Running Lamps > Except Trans AM > Part 2 of 3GeneralOpen14.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Marker, Hazard, High Level Stop, Parking, Stop and Turn > With Daytime Running Lamps > Except Trans AM > Part 3 of 3GeneralOpen15.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Marker, Hazard, High Level Stop, Parking, Stop and Turn > With Daytime Running Lamps > Trans AM > Part 1 of 3GeneralOpen16.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Marker, Hazard, High Level Stop, Parking, Stop and Turn > With Daytime Running Lamps > Trans AM > Part 2 of 3GeneralOpen17.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Marker, Hazard, High Level Stop, Parking, Stop and Turn > With Daytime Running Lamps > Trans AM > Part 3 of 3GeneralOpen18.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Marker, Hazard, High Level Stop, Parking, Stop and Turn > Without Daytime Running Lamps > Except Trans AMGeneralOpen19.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Marker, Hazard, High Level Stop, Parking, Stop and Turn > Without Daytime Running Lamps > Trans AMGeneralOpen20.Electrical Diagrams > Lighting and Horns > Parking Lamp > With Daytime Running Lamps > Except Trans AM > Part 1 of 3GeneralOpen21.Electrical Diagrams > Lighting and Horns > Parking Lamp > With Daytime Running Lamps > Except Trans AM > Part 2 of 3GeneralOpen22.Electrical Diagrams > Lighting and Horns > Parking Lamp > With Daytime Running Lamps > Except Trans AM > Part 3 of 3GeneralOpen23.Electrical Diagrams > Lighting and Horns > Parking Lamp > With Daytime Running Lamps > Trans AM > Part 1 of 3GeneralOpen24.Electrical Diagrams > Lighting and Horns > Parking Lamp > With Daytime Running Lamps > Trans AM > Part 2 of 3GeneralOpen25.Electrical Diagrams > Lighting and Horns > Parking Lamp > With Daytime Running Lamps > Trans AM > Part 3 of 3GeneralOpen26.Electrical Diagrams > Lighting and Horns > Parking Lamp > Without Daytime Running Lamps > Except Trans AMGeneralOpen27.Electrical Diagrams > Lighting and Horns > Parking Lamp > Without Daytime Running Lamps > Trans AMGeneralOpen28.Electrical Diagrams > Lighting and Horns > Turn Signals > With Daytime Running Lamps > Except Trans AM > Part 1 of 3GeneralOpen29.Electrical Diagrams > Lighting and Horns > Turn Signals > With Daytime Running Lamps > Except Trans AM > Part 2 of 3GeneralOpen30.Electrical Diagrams > Lighting and Horns > Turn Signals > With Daytime Running Lamps > Except Trans AM > Part 3 of 3GeneralOpen31.Electrical Diagrams > Lighting and Horns > Turn Signals > With Daytime Running Lamps > Trans AM > Part 1 of 3GeneralOpen32.Electrical Diagrams > Lighting and Horns > Turn Signals > With Daytime Running Lamps > Trans AM > Part 2 of 3GeneralOpen33.Electrical Diagrams > Lighting and Horns > Turn Signals > With Daytime Running Lamps > Trans AM > Part 3 of 3GeneralOpen34.Electrical Diagrams > Lighting and Horns > Turn Signals > Without Daytime Running Lamps > Except Trans AMGeneralOpen35.Electrical Diagrams > Lighting and Horns > Turn Signals > Without Daytime Running Lamps > Trans AMGeneralOpen36.Daytime Running Lamp — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen37.Daytime Running Lamp — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen38.Daytime Running Lamp — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen39.Daytime Running Lamp — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen40.Daytime Running Lamp — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen41.Daytime Running Lamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen42.Daytime Running Lamp — Electrical DiagramsLighting and HornsOpen43.Headlamp — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen44.Headlamp — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen45.Headlamp — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen46.Headlamp — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen47.Headlamp — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen48.Headlamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen
Exact Vehicle Hub
Browse →Repairs That Intersect This Wiring
Browse →Likely Trouble Codes for This System
Browse →More Firebird Wiring Pages
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Same System, Other Vehicles
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