Wiring Diagram Cluster

1989 Pontiac Grand Prix Headlight Wiring Diagram

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

Matched Diagrams

42

Variant Used

Grand Prix V6-173 2.8L

Total Vehicle Diagrams

616

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 1989 Pontiac Grand Prix hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

Likely fix path

Exact Repair Guides

These repair flows most often intersect with headlight diagnosis on this exact vehicle.

Headlight Bulb Replacement 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 > Fog/Driving Lamp > With Daytime Running Lamps (DRL) > Part 1 of 3GeneralOpen2.Electrical Diagrams > Fog/Driving Lamp > With Daytime Running Lamps (DRL) > Part 2 of 3GeneralOpen3.Electrical Diagrams > Fog/Driving Lamp > With Daytime Running Lamps (DRL) > Part 3 of 3GeneralOpen4.Electrical Diagrams > Fog/Driving Lamp > Without Daytime Running Lamps (DRL) > Part 1 of 2GeneralOpen5.Electrical Diagrams > Fog/Driving Lamp > Without Daytime Running Lamps (DRL) > Part 2 of 2GeneralOpen6.Headlamp β€” Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen7.Headlamp β€” Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen8.Headlamp β€” Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen9.Headlamp β€” Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen10.Headlamp β€” Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen11.Headlamp β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen12.Headlamp β€” Electrical Diagrams > Part 1 of 2Lighting and HornsOpen13.Headlamp β€” Electrical Diagrams > Part 2 of 2Lighting and HornsOpen14.Components > Switches > Headlight Dimmer SwitchGeneralOpen15.Electrical Diagrams > Headlamp > Headlamp Switch > Part 1 of 4GeneralOpen16.Electrical Diagrams > Headlamp > Headlamp Switch > Part 2 of 4GeneralOpen17.Electrical Diagrams > Headlamp > Headlamp Switch > Part 3 of 4GeneralOpen18.Electrical Diagrams > Headlamp > Headlamp Switch > Part 4 of 4GeneralOpen19.Electrical Diagrams > Headlamp > System Diagram > Part 1 of 2GeneralOpen20.Electrical Diagrams > Headlamp > System Diagram > Part 2 of 2GeneralOpen21.Backup Lamp β€” Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen22.Backup Lamp β€” Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen23.Backup Lamp β€” Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen24.Backup Lamp β€” Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen25.Backup Lamp β€” Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen26.Backup Lamp β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen27.Backup Lamp β€” Electrical DiagramsLighting and HornsOpen28.Hazard Warning Lamps β€” Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen29.Hazard Warning Lamps β€” Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen30.Hazard Warning Lamps β€” Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen31.Hazard Warning Lamps β€” Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen32.Hazard Warning Lamps β€” Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen33.Hazard Warning Lamps β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen34.Hazard Warning Lamps β€” Electrical Diagrams > Part 1 of 2Lighting and HornsOpen35.Hazard Warning Lamps β€” Electrical Diagrams > Part 2 of 2Lighting and HornsOpen36.Turn Signals β€” Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen37.Turn Signals β€” Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen38.Turn Signals β€” Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen39.Turn Signals β€” Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen40.Turn Signals β€” Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen41.Turn Signals β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen42.Turn Signals β€” Electrical DiagramsLighting and HornsOpen