Wiring Diagram Cluster

1988 Plymouth Horizon Body Electrical Wiring Diagram

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

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Matched Diagrams

38

Variant Used

Horizon L4-135 2.2L SOHC VIN C

Total Vehicle Diagrams

158

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1988 Plymouth Horizon A L L Diagnostic Trouble Codes ( DTC )

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.

1988 Plymouth Horizon A L L Diagnostic Trouble Codes ( DTC ) →
1988 Plymouth Horizon A L L Diagnostic Trouble Codes ( DTC )1988 Plymouth Horizon A L L Diagnostic Trouble Codes ( DTC )1988 Plymouth Horizon 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 →
U0140: Lost Communication with Body Control Module

Top Body Electrical Diagram Paths

1.Electrical Diagrams > Lighting and Horns > Headlamp Switch > Headlamp Switch Controlled Interior LightingGeneralOpen2.Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsLighting and HornsOpen3.Turn Signals — Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsLighting and HornsOpen4.Charging System — Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsStarting and ChargingOpen5.Computers and Control Systems — Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsPowertrain ManagementOpen6.Cooling System — Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsEngine, Cooling and ExhaustOpen7.Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsGeneralOpen8.Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsHeating and Air ConditioningOpen9.Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsPowertrain ManagementOpen10.Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsStarting and ChargingOpen11.Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsWiper and Washer SystemsOpen12.Electrical Diagrams > Lighting and Horns > Brake Light SwitchGeneralOpen13.Electrical Diagrams > Lighting and Horns > Cargo LampGeneralOpen14.Electrical Diagrams > Lighting and Horns > Center Mounted Brake LampGeneralOpen15.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Courtesy LampsGeneralOpen16.Electrical Diagrams > Lighting and Horns > Courtesy Lamp > Headlamp Switch Controlled Interior LampsGeneralOpen17.Electrical Diagrams > Lighting and Horns > Headlamp Dimmer SwitchGeneralOpen18.Electrical Diagrams > Lighting and Horns > Headlamp Switch > Headlamp SwitchGeneralOpen19.Electrical Diagrams > Lighting and Horns > HornGeneralOpen20.Electrical Diagrams > Lighting and Horns > System Diagram > Front End LightingGeneralOpen21.Electrical Diagrams > Lighting and Horns > System Diagram > Rear LightingGeneralOpen22.Electrical Diagrams > Lighting and Horns > Turn SignalsGeneralOpen23.Electrical Diagrams > Powertrain Management > Computers and Control Systems > Body Control ModuleGeneralOpen24.Emission Control Systems — Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsPowertrain ManagementOpen25.Fuel Delivery and Air Induction — Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsPowertrain ManagementOpen26.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsPowertrain ManagementOpen27.Heated Glass Element — Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsWindows and GlassOpen28.Ignition System — Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsPowertrain ManagementOpen29.Seat Belt Systems — Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsRestraints and Safety SystemsOpen30.Splices > Body, Cowl & Steering Column Splices > Body (Rear)GeneralOpen31.Splices > Body, Cowl & Steering Column Splices > Liftgate SplicesGeneralOpen32.Starting System — Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsStarting and ChargingOpen33.Tachometer — Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsInstrument Panel, Gauges and Warning IndicatorsOpen34.Diagram Information and Instructions > How to Find System & Component DiagramsLighting and HornsOpen35.Electrical Diagrams > Front End LightingLighting and HornsOpen36.Electrical Diagrams > Rear LightingLighting and HornsOpen37.Turn Signals — Diagram Information and Instructions > How to Find System & Component DiagramsLighting and HornsOpen38.Turn Signals — Electrical DiagramsLighting and HornsOpen

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OEM Manual Evidence

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1988 Plymouth Horizon A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1988 Plymouth Horizon L4-135 2.2L SOHC VIN D Service Manual | Operation CHARM Operation CHARM : Ca...

1988 Plymouth Horizon A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1988 Plymouth Horizon L4-135 2.2L SOHC VIN C Service Manual | Operation CHARM Operation CHARM : Ca...

1988 Plymouth Horizon A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1988 Plymouth Reliant L4-153 2.5L SOHC Service Manual | Operation CHARM Operation CHARM : Car repa...

1988 Plymouth Horizon A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1988 Plymouth Sundance L4-135 2.2L SOHC Turbo Service Manual | Operation CHARM Operation CHARM : C...

Likely Trouble Codes for This System

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B1318: Battery Voltage LowCode

Body/Electrical code commonly seen during body electrical diagnosis.

U0140: Lost Communication with Body Control ModuleCode

Network/Communication code commonly seen during body electrical diagnosis.

More Horizon Wiring Pages

Starter Wiring DiagramAlternator Wiring DiagramHeadlight Wiring DiagramA/C & Heater Wiring DiagramPower Window Wiring DiagramInstrument Cluster Wiring DiagramWiper & Washer Wiring DiagramTransmission Wiring DiagramAirbag SRS Wiring DiagramEngine Management Wiring Diagram

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