Wiring Diagram Cluster

1990 Pontiac Bonneville Body Electrical Wiring Diagram

Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.

Matched Diagrams

48

Variant Used

Bonneville V6-3800 3.8L

Total Vehicle Diagrams

919

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 Bonneville hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

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.

B1318: Battery Voltage Low β†’

Top Body Electrical Diagram Paths

1.Electrical Diagrams > Lighting and Horns > Trunk LampGeneralOpen2.Doors, Hood and Trunk > Fuel Door β€” Diagnostic Aids > Pull-to-Seat ConnectorsBody and FrameOpen3.Doors, Hood and Trunk > Fuel Door β€” Diagnostic Aids > Push-to-Seat ConnectorsBody and FrameOpen4.Doors, Hood and Trunk > Fuel Door β€” Diagram Information and Instructions > Cell ReferencesBody and FrameOpen5.Doors, Hood and Trunk > Fuel Door β€” Diagram Information and Instructions > Schematic SymbolsBody and FrameOpen6.Doors, Hood and Trunk > Fuel Door β€” Diagram Information and Instructions > Symbol IdentificationBody and FrameOpen7.Doors, Hood and Trunk > Fuel Door β€” Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen8.Doors, Hood and Trunk > Fuel Door β€” Electrical DiagramsBody and FrameOpen9.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > Pull-to-Seat ConnectorsBody and FrameOpen10.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > Push-to-Seat ConnectorsBody and FrameOpen11.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Cell ReferencesBody and FrameOpen12.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Schematic SymbolsBody and FrameOpen13.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Symbol IdentificationBody and FrameOpen14.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen15.Doors, Hood and Trunk > Trunk / Liftgate β€” Electrical DiagramsBody and FrameOpen16.Locks > Keyless Entry β€” Diagnostic Aids > Pull-to-Seat ConnectorsBody and FrameOpen17.Locks > Keyless Entry β€” Diagnostic Aids > Push-to-Seat ConnectorsBody and FrameOpen18.Locks > Keyless Entry β€” Diagram Information and Instructions > Cell ReferencesBody and FrameOpen19.Locks > Keyless Entry β€” Diagram Information and Instructions > Schematic SymbolsBody and FrameOpen20.Locks > Keyless Entry β€” Diagram Information and Instructions > Symbol IdentificationBody and FrameOpen21.Locks > Keyless Entry β€” Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen22.Locks > Keyless Entry β€” Electrical Diagrams > LE & SE ModelBody and FrameOpen23.Locks > Keyless Entry β€” Electrical Diagrams > SSE ModelBody and FrameOpen24.Locks > Keyless Entry β€” Electrical Diagrams > StandardBody and FrameOpen25.Trunk Lamp β€” Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen26.Trunk Lamp β€” Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen27.Trunk Lamp β€” Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen28.Trunk Lamp β€” Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen29.Trunk Lamp β€” Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen30.Trunk Lamp β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen31.Trunk Lamp β€” Electrical DiagramsLighting and HornsOpen32.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > Pull-to-Seat ConnectorsAccessories and Optional EquipmentOpen33.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > Push-to-Seat ConnectorsAccessories and Optional EquipmentOpen34.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > Cell ReferencesAccessories and Optional EquipmentOpen35.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > Schematic SymbolsAccessories and Optional EquipmentOpen36.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > Symbol IdentificationAccessories and Optional EquipmentOpen37.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > Wire Color Code IdentificationAccessories and Optional EquipmentOpen38.Antitheft and Alarm Systems > Keyless Entry β€” Electrical Diagrams > LE & SE ModelAccessories and Optional EquipmentOpen39.Antitheft and Alarm Systems > Keyless Entry β€” Electrical Diagrams > SSE ModelAccessories and Optional EquipmentOpen40.Antitheft and Alarm Systems > Keyless Entry β€” Electrical Diagrams > StandardAccessories and Optional EquipmentOpen41.Components > Miscellaneous Components > Horn Brush/Slip RingGeneralOpen42.Components > Motors > Fuel Door Lock MotorGeneralOpen43.Components > Relays > Door Lock Relay AssemblyGeneralOpen44.Components > Relays > Fuel Door Lock Relay AssemblyGeneralOpen45.Connector Views > Keyless Entry Programming ConnectorGeneralOpen46.Electrical Diagrams > Keyless Entry > LE & SE ModelGeneralOpen47.Electrical Diagrams > Keyless Entry > SSE ModelGeneralOpen48.Electrical Diagrams > Keyless Entry > StandardGeneralOpen