Wiring Diagram Cluster

1987 Pontiac Fiero Headlight Wiring Diagram

Find headlight circuit schematics, high/low beam relay paths, DRL wiring, and ground points for lighting diagnosis.

Matched Diagrams

45

Variant Used

Fiero L4-151 2.5L

Total Vehicle Diagrams

381

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 1987 Pontiac Fiero hub with repairs, specs, codes, and other systems already tied to this car.

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OEM source

Factory Manual Evidence

When there is no clean repair shortcut for this system, drop into the OEM manual sections that usually carry the authoritative test path.

Open interactive browser β†’

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 β†’

Top Headlight Diagram Paths

1.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp CoverGeneralOpen2.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp MotorGeneralOpen3.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Part 1 of 2GeneralOpen4.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Part 2 of 2GeneralOpen5.Electrical Diagrams > Lighting and Horns > Headlamp > System DiagramGeneralOpen6.Headlamp β€” Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen7.Headlamp β€” Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen8.Headlamp β€” Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen9.Headlamp β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen10.Headlamp β€” Electrical DiagramsLighting and HornsOpen11.Components > Modules > Headlamp Door ModuleGeneralOpen12.Components > Motors > Headlight Door MotorsGeneralOpen13.Components > Switches > Headlamp Dimmer SwitchGeneralOpen14.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen15.Electrical Diagrams > Lighting and Horns > HornGeneralOpen16.Electrical Diagrams > Lighting and Horns > System Diagram > Cigar Lighter, Clock & Trunk Lamp Wiring CircuitGeneralOpen17.Electrical Diagrams > Lighting and Horns > System Diagram > Console & Underhood LampGeneralOpen18.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lamps > Part 1 of 6GeneralOpen19.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lamps > Part 2 of 6GeneralOpen20.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lamps > Part 3 of 6GeneralOpen21.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lamps > Part 4 of 6GeneralOpen22.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lamps > Part 5 of 6GeneralOpen23.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lamps > Part 6 of 6GeneralOpen24.Backup Lamp β€” Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen25.Backup Lamp β€” Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen26.Backup Lamp β€” Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen27.Backup Lamp β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen28.Backup Lamp β€” Electrical DiagramsLighting and HornsOpen29.Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen30.Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen31.Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen32.Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen33.Electrical Diagrams > Cigar Lighter, Clock & Trunk Lamp Wiring CircuitLighting and HornsOpen34.Electrical Diagrams > Console & Underhood LampLighting and HornsOpen35.Electrical Diagrams > Exterior Lamps > Part 1 of 6Lighting and HornsOpen36.Electrical Diagrams > Exterior Lamps > Part 2 of 6Lighting and HornsOpen37.Electrical Diagrams > Exterior Lamps > Part 3 of 6Lighting and HornsOpen38.Electrical Diagrams > Exterior Lamps > Part 4 of 6Lighting and HornsOpen39.Electrical Diagrams > Exterior Lamps > Part 5 of 6Lighting and HornsOpen40.Electrical Diagrams > Exterior Lamps > Part 6 of 6Lighting and HornsOpen41.Horn β€” Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen42.Horn β€” Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen43.Horn β€” Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen44.Horn β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen45.Horn β€” Electrical DiagramsLighting and HornsOpen