Wiring Diagram Cluster
1991 Chevrolet Lumina Body Electrical Wiring Diagram
Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.
Matched Diagrams
48
Variant Used
Lumina L4-151 2.5L
Total Vehicle Diagrams
551
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 1991 Chevrolet Lumina 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.
1991 Chevrolet Lumina 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 > System Diagram > Interior Lighting > Cigar Lighter, I/P Compartment And Trunk LightGeneralOpen2.Electrical Diagrams > Interior Lighting > Cigar Lighter, I/P Compartment And Trunk LightLighting and HornsOpen3.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lighting > Automatic Safety Belts & Key Cylinder LightGeneralOpen4.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lighting > Inside Lighted Rear View Mirror, Dome and Underhood LightGeneralOpen5.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lighting > Interior Lights DimmingGeneralOpen6.Electrical Diagrams > Lighting and Horns > Trunk LampGeneralOpen7.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Pull-to-Seat ConnectorsBody and FrameOpen8.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Push-to-Seat ConnectorsBody and FrameOpen9.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Cell ReferencesBody and FrameOpen10.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Schematic SymbolsBody and FrameOpen11.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen12.Doors, Hood and Trunk > Trunk / Liftgate — Electrical DiagramsBody and FrameOpen13.Electrical Diagrams > HornsLighting and HornsOpen14.Electrical Diagrams > Interior Lighting > Automatic Safety Belts & Key Cylinder LightLighting and HornsOpen15.Electrical Diagrams > Interior Lighting > Inside Lighted Rear View Mirror, Dome and Underhood LightLighting and HornsOpen16.Electrical Diagrams > Interior Lighting > Interior Lights DimmingLighting and HornsOpen17.Horn — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen18.Horn — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen19.Horn — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen20.Horn — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen21.Horn — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen22.Horn — Electrical DiagramsLighting and HornsOpen23.Components > Miscellaneous Components > HornGeneralOpen24.Components > Miscellaneous Components > Power Seat/Door Lock/Antenna Circuit BreakerGeneralOpen25.Components > Miscellaneous Components > Trunk LightGeneralOpen26.Components > Motors > Door Lock MotorGeneralOpen27.Components > Relays > Horn RelayGeneralOpen28.Components > Solenoids > Trunk Release SolenoidGeneralOpen29.Components > Switches > Door Lock Switch, FrontGeneralOpen30.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen31.Electrical Diagrams > Lighting and Horns > Brake LampGeneralOpen32.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Cigar LightersGeneralOpen33.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Inside Lighted Rear View MirrorGeneralOpen34.Electrical Diagrams > Lighting and Horns > Dimmer SwitchGeneralOpen35.Electrical Diagrams > Lighting and Horns > Dome LampGeneralOpen36.Electrical Diagrams > Lighting and Horns > Hazard Warning LampsGeneralOpen37.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp SwitchGeneralOpen38.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > Less Daytime Running LampsGeneralOpen39.Electrical Diagrams > Lighting and Horns > Headlamp > System Diagram > With Daytime Running LampsGeneralOpen40.Electrical Diagrams > Lighting and Horns > HornGeneralOpen41.Electrical Diagrams > Lighting and Horns > Key Cylinder LampGeneralOpen42.Electrical Diagrams > Lighting and Horns > License Plate LampGeneralOpen43.Electrical Diagrams > Lighting and Horns > Parking LampGeneralOpen44.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lighting > Backup LampsGeneralOpen45.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lighting > Headlight SwitchGeneralOpen46.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lighting > Headlights > With Daytime Running LampsGeneralOpen47.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lighting > Headlights > Without Daytime Running LampsGeneralOpen48.Electrical Diagrams > Lighting and Horns > System Diagram > Exterior Lighting > Tail and License Plate LampsGeneralOpen
Exact Vehicle Hub
Browse →OEM Manual Evidence
Browse →1991 Chevrolet Lumina A L L Diagnostic Trouble Codes ( DTC )OEM Manual
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1991 Chevrolet Lumina A L L Diagnostic Trouble Codes ( DTC )OEM Manual
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1991 Chevrolet Lumina A L L Diagnostic Trouble Codes ( DTC )OEM Manual
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Likely Trouble Codes for This System
Browse →More Lumina Wiring Pages
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