Wiring Diagram Cluster

1987 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

48

Variant Used

Grand Prix V6-231 3.8L

Total Vehicle Diagrams

389

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 1987 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 > Lighting and Horns > Headlamp > Headlamp Switch > Part 1 of 2GeneralOpen2.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Part 2 of 2GeneralOpen3.Electrical Diagrams > Lighting and Horns > Headlamp > System DiagramGeneralOpen4.Headlamp β€” Diagnostic AidsLighting and HornsOpen5.Headlamp β€” Diagram Information and InstructionsLighting and HornsOpen6.Headlamp β€” Electrical DiagramsLighting and HornsOpen7.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen8.Electrical Diagrams > Lighting and Horns > Brake LampGeneralOpen9.Electrical Diagrams > Lighting and Horns > Cornering LampGeneralOpen10.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Glove Box LampGeneralOpen11.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > System Diagram > Courtesy & Dome LampsGeneralOpen12.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > System Diagram > License, Opera, Rear Marker & TailGeneralOpen13.Electrical Diagrams > Lighting and Horns > Dome LampGeneralOpen14.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Front Marker, Hazard, Park & TurnGeneralOpen15.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Hazard, Stop & TurnGeneralOpen16.Electrical Diagrams > Lighting and Horns > HornGeneralOpen17.Electrical Diagrams > Lighting and Horns > License Plate LampGeneralOpen18.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Marker & Park, Hazard, Stop & Turn LampsGeneralOpen19.Electrical Diagrams > Lighting and Horns > Marker Lamp > License, Opera, Rear Marker & TailGeneralOpen20.Electrical Diagrams > Lighting and Horns > Parking LampGeneralOpen21.Electrical Diagrams > Lighting and Horns > System Diagram > Courtesy & Dome LampGeneralOpen22.Electrical Diagrams > Lighting and Horns > System Diagram > Lighter, Clock, Glove Box, Trunk & Vanity LampGeneralOpen23.Electrical Diagrams > Lighting and Horns > Tail LampGeneralOpen24.Electrical Diagrams > Lighting and Horns > Trunk LampGeneralOpen25.Electrical Diagrams > Lighting and Horns > Turn Signals > FT Marker, Hazard, Park & Turn LampsGeneralOpen26.Electrical Diagrams > Lighting and Horns > Turn Signals > Stop, Turn & HazardGeneralOpen27.Electrical Diagrams > Lighting and Horns > Vanity LampGeneralOpen28.Backup Lamp β€” Diagnostic AidsLighting and HornsOpen29.Backup Lamp β€” Diagram Information and InstructionsLighting and HornsOpen30.Backup Lamp β€” Electrical DiagramsLighting and HornsOpen31.Courtesy Lamp β€” Diagnostic AidsLighting and HornsOpen32.Courtesy Lamp β€” Diagram Information and InstructionsLighting and HornsOpen33.Courtesy Lamp β€” Electrical Diagrams > Courtesy & Dome LampsLighting and HornsOpen34.Courtesy Lamp β€” Electrical Diagrams > License, Opera, Rear Marker & TailLighting and HornsOpen35.Diagnostic AidsLighting and HornsOpen36.Diagram Information and InstructionsLighting and HornsOpen37.Electrical Diagrams > Courtesy & Dome LampLighting and HornsOpen38.Electrical Diagrams > Lighter, Clock, Glove Box, Trunk & Vanity LampLighting and HornsOpen39.Hazard Warning Lamps β€” Diagnostic AidsLighting and HornsOpen40.Hazard Warning Lamps β€” Diagram Information and InstructionsLighting and HornsOpen41.Hazard Warning Lamps β€” Electrical Diagrams > Front Marker, Hazard, Park & TurnLighting and HornsOpen42.Hazard Warning Lamps β€” Electrical Diagrams > Hazard, Stop & TurnLighting and HornsOpen43.Horn β€” Diagnostic AidsLighting and HornsOpen44.Horn β€” Diagram Information and InstructionsLighting and HornsOpen45.Horn β€” Electrical DiagramsLighting and HornsOpen46.Turn Signals β€” Diagnostic AidsLighting and HornsOpen47.Turn Signals β€” Diagram Information and InstructionsLighting and HornsOpen48.Turn Signals β€” Electrical Diagrams > FT Marker, Hazard, Park & Turn LampsLighting and HornsOpen