Wiring Diagram Cluster
1989 Pontiac Grand Prix Body Electrical Wiring Diagram
Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.
Matched Diagrams
48
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 →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.
1989 Pontiac Grand Prix A L L Diagnostic Trouble Codes ( DTC ) →Diagnostic signal
Codes Often Seen With This System
Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.
B1318: Battery Voltage Low →Top Body Electrical Diagram Paths
1.Locks > Keyless Entry — Diagnostic Aids > Pull-to-Seat ConnectorsBody and FrameOpen2.Locks > Keyless Entry — Diagnostic Aids > Push-to-Seat ConnectorsBody and FrameOpen3.Locks > Keyless Entry — Diagram Information and Instructions > Cell ReferencesBody and FrameOpen4.Locks > Keyless Entry — Diagram Information and Instructions > Schematic SymbolsBody and FrameOpen5.Locks > Keyless Entry — Diagram Information and Instructions > Symbol IdentificationBody and FrameOpen6.Locks > Keyless Entry — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen7.Locks > Keyless Entry — Electrical DiagramsBody and FrameOpen8.Antitheft and Alarm Systems > Keyless Entry — Diagnostic Aids > Pull-to-Seat ConnectorsAccessories and Optional EquipmentOpen9.Antitheft and Alarm Systems > Keyless Entry — Diagnostic Aids > Push-to-Seat ConnectorsAccessories and Optional EquipmentOpen10.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > Cell ReferencesAccessories and Optional EquipmentOpen11.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > Schematic SymbolsAccessories and Optional EquipmentOpen12.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > Symbol IdentificationAccessories and Optional EquipmentOpen13.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > Wire Color Code IdentificationAccessories and Optional EquipmentOpen14.Antitheft and Alarm Systems > Keyless Entry — Electrical DiagramsAccessories and Optional EquipmentOpen15.Components > Modules > Keyless Entry ModuleGeneralOpen16.Components > Relays > Power Door Lock RelayGeneralOpen17.Electrical Diagrams > HornGeneralOpen18.Electrical Diagrams > Keyless EntryGeneralOpen19.Electrical Diagrams > Trunk / LiftgateGeneralOpen20.Backup Lamp — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen21.Backup Lamp — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen22.Backup Lamp — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen23.Backup Lamp — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen24.Backup Lamp — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen25.Backup Lamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen26.Backup Lamp — Electrical DiagramsLighting and HornsOpen27.Hazard Warning Lamps — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen28.Hazard Warning Lamps — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen29.Hazard Warning Lamps — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen30.Hazard Warning Lamps — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen31.Hazard Warning Lamps — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen32.Hazard Warning Lamps — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen33.Hazard Warning Lamps — Electrical Diagrams > Part 1 of 2Lighting and HornsOpen34.Hazard Warning Lamps — Electrical Diagrams > Part 2 of 2Lighting and HornsOpen35.Headlamp — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen36.Headlamp — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen37.Headlamp — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen38.Headlamp — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen39.Headlamp — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen40.Headlamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen41.Headlamp — Electrical Diagrams > Part 1 of 2Lighting and HornsOpen42.Headlamp — Electrical Diagrams > Part 2 of 2Lighting and HornsOpen43.Locks > Power Locks — Diagnostic Aids > Pull-to-Seat ConnectorsBody and FrameOpen44.Locks > Power Locks — Diagnostic Aids > Push-to-Seat ConnectorsBody and FrameOpen45.Locks > Power Locks — Diagram Information and Instructions > Cell ReferencesBody and FrameOpen46.Locks > Power Locks — Diagram Information and Instructions > Schematic SymbolsBody and FrameOpen47.Locks > Power Locks — Diagram Information and Instructions > Symbol IdentificationBody and FrameOpen48.Locks > Power Locks — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen
Exact Vehicle Hub
Browse →OEM Manual Evidence
Browse →Likely Trouble Codes for This System
Browse →More Grand Prix Wiring Pages
Starter Wiring DiagramAlternator Wiring DiagramHeadlight Wiring DiagramABS Brake 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 Diagram
Same System, Other Vehicles
1990 Toyota Supra Body Electrical Wiring Diagram1993 Toyota Camry Sedan Body Electrical Wiring Diagram1993 Toyota Camry Wagon Body Electrical Wiring Diagram1990 Honda Prelude Body Electrical Wiring Diagram1994 Toyota Camry Sedan 2-Door Body Electrical Wiring Diagram1994 Toyota Camry Sedan 4-Door Body Electrical Wiring Diagram1994 Toyota Celica Body Electrical Wiring Diagram1995 Toyota Camry Coupe 2-Door Body Electrical Wiring Diagram