Wiring Diagram Cluster
1990 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
543
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 1990 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 — Diagnostic Aids > Pull-to-Seat ConnectorsBody and FrameOpen2.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Push-to-Seat ConnectorsBody and FrameOpen3.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Cell ReferencesBody and FrameOpen4.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Schematic SymbolsBody and FrameOpen5.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Symbol IdentificationBody and FrameOpen6.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen7.Doors, Hood and Trunk > Trunk / Liftgate — Electrical DiagramsBody and FrameOpen8.Locks > Power Locks — Electrical Diagrams > TailgateBody and FrameOpen9.Components > Motors > Door Lock MotorsGeneralOpen10.Components > Relays > Power Door Lock Relay AssemblyGeneralOpen11.Components > Switches > Tailgate Block Out SwitchGeneralOpen12.Electrical Diagrams > HornGeneralOpen13.Electrical Diagrams > Instrument Panel Gauges > Tailgate AjarInstrument Panel, Gauges and Warning IndicatorsOpen14.Electrical Diagrams > Instrument Panel Indicators > Tailgate AjarInstrument Panel, Gauges and Warning IndicatorsOpen15.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > Door/Trunk Ajar Indicator/LampGeneralOpen16.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel Gauges > Tailgate AjarGeneralOpen17.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Instrument Panel Indicators > Tailgate AjarGeneralOpen18.Electrical Diagrams > Power Locks > TailgateGeneralOpen19.Electrical Diagrams > Trunk / LiftgateGeneralOpen20.Electrical Diagrams > Trunk LampGeneralOpen21.Electrical Diagrams > Windows > TailgateGeneralOpen22.Windows — Electrical Diagrams > TailgateWindows and GlassOpen23.Hazard Warning Lamps — Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen24.Hazard Warning Lamps — Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen25.Hazard Warning Lamps — Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen26.Hazard Warning Lamps — Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen27.Hazard Warning Lamps — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen28.Hazard Warning Lamps — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen29.Hazard Warning Lamps — Electrical Diagrams > Front Marker, Hazard, Park & TurnLighting and HornsOpen30.Hazard Warning Lamps — Electrical Diagrams > Hazard/Turn & High Level Stop > Part 1 of 2Lighting and HornsOpen31.Hazard Warning Lamps — Electrical Diagrams > Hazard/Turn & High Level Stop > Part 2 of 2Lighting 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 > With Daytime Running LampsLighting and HornsOpen40.Headlamp — Electrical Diagrams > With Twilight SentinelLighting 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 Diagrams > DoorsBody and FrameOpen48.Mirrors — Diagnostic Aids > Pull-to-Seat ConnectorsBody and FrameOpen
Exact Vehicle Hub
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