Wiring Diagram Cluster
1987 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 V6-231 3.8L
Total Vehicle Diagrams
407
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 Bonneville 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.
1987 Pontiac Bonneville 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.Electrical Diagrams > Lighting and Horns > Trunk LampGeneralOpen2.Doors, Hood and Trunk > Fuel Door — Diagram Information and InstructionsBody and FrameOpen3.Doors, Hood and Trunk > Fuel Door — Electrical DiagramsBody and FrameOpen4.Horn — Diagram Information and InstructionsLighting and HornsOpen5.Horn — Electrical DiagramsLighting and HornsOpen6.Components > Motors > Door Lock MotorsGeneralOpen7.Components > Relays > Door Lock Relay AssemblyGeneralOpen8.Components > Solenoids > Trunk Release SolenoidGeneralOpen9.Components > Switches > Trunk Ajar SwitchGeneralOpen10.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > Door/Trunk Ajar Indicator/LampGeneralOpen11.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen12.Electrical Diagrams > Lighting and Horns > Brake Lamp > With Lamp MonitorGeneralOpen13.Electrical Diagrams > Lighting and Horns > Brake Lamp > Without Lamp MonitorGeneralOpen14.Electrical Diagrams > Lighting and Horns > Cornering LampGeneralOpen15.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Glove Box LampGeneralOpen16.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > System Diagram > Console, Switch Illumination & UnderhoodGeneralOpen17.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > System Diagram > Courtesy, Dome & ReadingGeneralOpen18.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > System Diagram > Door Courtesy & Warning LampsGeneralOpen19.Electrical Diagrams > Lighting and Horns > Dome LampGeneralOpen20.Electrical Diagrams > Lighting and Horns > Fog/Driving LampGeneralOpen21.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Front Hazard, Marker, Park & Turn > Less Lamp MonitorGeneralOpen22.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Front Hazard, Marker, Park & Turn > With MonitorGeneralOpen23.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Rear Hazard, Stop & Turn Lamp Wiring Circuit > Less Lamp MonitorGeneralOpen24.Electrical Diagrams > Lighting and Horns > Hazard Warning Lamps > Rear Hazard, Stop & Turn Lamp Wiring Circuit > With Lamp MonitorGeneralOpen25.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Part 1 of 3GeneralOpen26.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Part 2 of 3GeneralOpen27.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp Switch > Part 3 of 3GeneralOpen28.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > With Lamp MonitorGeneralOpen29.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > With Twilight SentinelGeneralOpen30.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > Without Lamp Monitor & Twilight SentinelGeneralOpen31.Electrical Diagrams > Lighting and Horns > HornGeneralOpen32.Electrical Diagrams > Lighting and Horns > License Plate Lamp > Less Lamp MonitorGeneralOpen33.Electrical Diagrams > Lighting and Horns > License Plate Lamp > With Lamp MonitorGeneralOpen34.Electrical Diagrams > Lighting and Horns > Map LightGeneralOpen35.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Hazard, Marker, Park & Turn Lamps > Less Lamp MonitorGeneralOpen36.Electrical Diagrams > Lighting and Horns > Marker Lamp > Front Hazard, Marker, Park & Turn Lamps > With Lamp MonitorGeneralOpen37.Electrical Diagrams > Lighting and Horns > Marker Lamp > Rear Marker/License/Tail Lamps > Less Lamp MonitorGeneralOpen38.Electrical Diagrams > Lighting and Horns > Marker Lamp > Rear Marker/License/Tail Lamps > With Lamp MonitorGeneralOpen39.Electrical Diagrams > Lighting and Horns > Parking Lamp > Less Lamp MonitorGeneralOpen40.Electrical Diagrams > Lighting and Horns > Parking Lamp > With Lamp MonitorGeneralOpen41.Electrical Diagrams > Lighting and Horns > System DiagramGeneralOpen42.Electrical Diagrams > Lighting and Horns > Tail Lamp > Less Lamp MonitorGeneralOpen43.Electrical Diagrams > Lighting and Horns > Tail Lamp > With Lamp MonitorGeneralOpen44.Electrical Diagrams > Lighting and Horns > Turn Signals > Front Hazard, Marker, Park & Turn Lamps > Less Lamp MonitorGeneralOpen45.Electrical Diagrams > Lighting and Horns > Turn Signals > Front Hazard, Marker, Park & Turn Lamps > With Lamp MonitorGeneralOpen46.Electrical Diagrams > Lighting and Horns > Turn Signals > Rear Hazard, Stop & Turn Lamps > Less Lamp MonitorGeneralOpen47.Electrical Diagrams > Lighting and Horns > Turn Signals > Rear Hazard, Stop & Turn Lamps > With Lamp MonitorGeneralOpen48.Electrical Diagrams > Lighting and Horns > Underhood LampGeneralOpen
Exact Vehicle Hub
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