Wiring Diagram Cluster
1989 Chevrolet Caprice Body Electrical Wiring Diagram
Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.
Matched Diagrams
48
Variant Used
Caprice V6-262 4.3L
Total Vehicle Diagrams
542
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 Chevrolet Caprice 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.
Open interactive browser →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.Doors, Hood and Trunk > Trunk / Liftgate — Electrical Diagrams > Power Tailgate Lock (Less Power Locks)Body and FrameOpen2.Electrical Diagrams > Trunk / Liftgate > Power Tailgate Lock (Less Power Locks)GeneralOpen3.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Pull-to-Seat ConnectorsBody and FrameOpen4.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Push-to-Seat ConnectorsBody and FrameOpen5.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Cell ReferencesBody and FrameOpen6.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Schematic SymbolsBody and FrameOpen7.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Symbol IdentificationBody and FrameOpen8.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen9.Doors, Hood and Trunk > Trunk / Liftgate — Electrical Diagrams > Rear Compartment Lid ReleaseBody and FrameOpen10.Components > Motors > Door Lock MotorsGeneralOpen11.Components > Relays > Power Door Lock Relay AssemblyGeneralOpen12.Components > Switches > Tailgate Block Out SwitchGeneralOpen13.Electrical Diagrams > Courtesy Lamp > Interior Lights Dimming CircuitGeneralOpen14.Electrical Diagrams > HornGeneralOpen15.Electrical Diagrams > Instrument Panel Gauges > Tailgate AjarInstrument Panel, Gauges and Warning IndicatorsOpen16.Electrical Diagrams > Instrument Panel Indicators > Tailgate AjarInstrument Panel, Gauges and Warning IndicatorsOpen17.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > Instrument Panel Gauges > Tailgate AjarGeneralOpen18.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > Instrument Panel Indicators > Tailgate AjarGeneralOpen19.Electrical Diagrams > Trunk / Liftgate > Rear Compartment Lid ReleaseGeneralOpen20.Electrical Diagrams > Windows > Tailgate Power WindowGeneralOpen21.Windows — Electrical Diagrams > Tailgate Power WindowWindows and GlassOpen22.Hazard Warning Lamps — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen23.Hazard Warning Lamps — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen24.Hazard Warning Lamps — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen25.Hazard Warning Lamps — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen26.Hazard Warning Lamps — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen27.Hazard Warning Lamps — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen28.Hazard Warning Lamps — Electrical Diagrams > Front Marker, Front Park, Hazard & TurnLighting and HornsOpen29.Hazard Warning Lamps — Electrical Diagrams > Hazard/Turn & High Level Stop > Part 1 of 3Lighting and HornsOpen30.Hazard Warning Lamps — Electrical Diagrams > Hazard/Turn & High Level Stop > Part 2 of 3Lighting and HornsOpen31.Hazard Warning Lamps — Electrical Diagrams > Hazard/Turn & High Level Stop > Part 3 of 3Lighting and HornsOpen32.Headlamp — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen33.Headlamp — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen34.Headlamp — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen35.Headlamp — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen36.Headlamp — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen37.Headlamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen38.Headlamp — Electrical Diagrams > Less Twilight SentinelLighting and HornsOpen39.Headlamp — Electrical Diagrams > W/Twilight Sentinel > W/Carbureted EngineLighting and HornsOpen40.Headlamp — Electrical Diagrams > W/Twilight Sentinel > W/Fuel Injected EngineLighting and HornsOpen41.Locks > Power Locks — Diagnostic Aids > Pull-to-Seat ConnectorsBody and FrameOpen42.Locks > Power Locks — Diagnostic Aids > Push-to-Seat ConnectorsBody and FrameOpen43.Locks > Power Locks — Diagram Information and Instructions > Cell ReferencesBody and FrameOpen44.Locks > Power Locks — Diagram Information and Instructions > Schematic SymbolsBody and FrameOpen45.Locks > Power Locks — Diagram Information and Instructions > Symbol IdentificationBody and FrameOpen46.Locks > Power Locks — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen47.Locks > Power Locks — Electrical DiagramsBody and FrameOpen48.Seats — Diagnostic Aids > Pull-to-Seat ConnectorsBody and FrameOpen
Exact Vehicle Hub
Browse →Likely Trouble Codes for This System
Browse →More Caprice Wiring Pages
Starter Wiring DiagramAlternator Wiring DiagramHeadlight 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 Chevrolet Beretta Body Electrical Wiring Diagram1990 Chevrolet Caprice Body Electrical Wiring Diagram1990 Chevrolet Cavalier Body Electrical Wiring Diagram1990 Chevrolet Celebrity Body Electrical Wiring Diagram1990 Chevrolet Corsica Body Electrical Wiring Diagram1990 Chevrolet Corvette Body Electrical Wiring Diagram1990 Chevrolet Lumina Body Electrical Wiring Diagram1992 Chevrolet Caprice RWD Body Electrical Wiring Diagram