Wiring Diagram Cluster

1990 Plymouth HORIZON Body Electrical Wiring Diagram

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

Matched Diagrams

48

Variant Used

Horizon L4-135 2.2L SOHC

Total Vehicle Diagrams

278

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 1990 Plymouth HORIZON hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

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.

1990 Plymouth HORIZON A L L Diagnostic Trouble Codes ( DTC ) β†’

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 β†’

Top Body Electrical Diagram Paths

1.Horn β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsLighting and HornsOpen2.Electrical Diagrams > Lighting and Horns > System Diagram > Interior LightingGeneralOpen3.Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsLighting and HornsOpen4.Electrical Diagrams > Interior LightingLighting and HornsOpen5.Headlamp β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsLighting and HornsOpen6.Horn β€” Diagram Information and Instructions > How to Find System & Component DiagramsLighting and HornsOpen7.Horn β€” Diagram Information and Instructions > How to Read Wiring Diagrams > Connectors, Grounds and SplicesLighting and HornsOpen8.Horn β€” Diagram Information and Instructions > How to Read Wiring Diagrams > Wire Color CodesLighting and HornsOpen9.Horn β€” Electrical DiagramsLighting and HornsOpen10.Turn Signals β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsLighting and HornsOpen11.Air Bag Systems β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsRestraints and Safety SystemsOpen12.Charging System β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsStarting and ChargingOpen13.Charging System > Alternator β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsStarting and ChargingOpen14.Computers and Control Systems β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsPowertrain ManagementOpen15.Cooling System β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsEngine, Cooling and ExhaustOpen16.Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsGeneralOpen17.Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsHeating and Air ConditioningOpen18.Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsInstrument Panel, Gauges and Warning IndicatorsOpen19.Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsPower and Ground DistributionOpen20.Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsPowertrain ManagementOpen21.Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsStarting and ChargingOpen22.Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsWiper and Washer SystemsOpen23.Electrical Diagrams > Lighting and Horns > Cargo LampGeneralOpen24.Electrical Diagrams > Lighting and Horns > Courtesy LampGeneralOpen25.Electrical Diagrams > Lighting and Horns > Dome LampGeneralOpen26.Electrical Diagrams > Lighting and Horns > Headlamp > Headlamp SwitchGeneralOpen27.Electrical Diagrams > Lighting and Horns > Headlamp > System DiagramGeneralOpen28.Electrical Diagrams > Lighting and Horns > HornGeneralOpen29.Electrical Diagrams > Lighting and Horns > System Diagram > Rear LightingGeneralOpen30.Electrical Diagrams > Lighting and Horns > Turn SignalsGeneralOpen31.Electrical Diagrams > Powertrain Management > Computers and Control Systems > Body Control ModuleGeneralOpen32.Emission Control Systems β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsPowertrain ManagementOpen33.Fuel Delivery and Air Induction β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsPowertrain ManagementOpen34.Fuel Delivery and Air Induction > Fuel Pump β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsPowertrain ManagementOpen35.Ignition System β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsPowertrain ManagementOpen36.Power and Ground Distribution β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsStarting and ChargingOpen37.Splices > Body, Cowl & Steering Column Splices > Body Splice LocationsGeneralOpen38.Splices > Body, Cowl & Steering Column Splices > Door & LiftgateGeneralOpen39.Starting System β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsStarting and ChargingOpen40.Tachometer β€” Diagram Information and Instructions > How to Use Complete Body and Chassis DiagramsInstrument Panel, Gauges and Warning IndicatorsOpen41.Diagram Information and Instructions > How to Find System & Component DiagramsLighting and HornsOpen42.Diagram Information and Instructions > How to Read Wiring Diagrams > Connectors, Grounds and SplicesLighting and HornsOpen43.Diagram Information and Instructions > How to Read Wiring Diagrams > Wire Color CodesLighting and HornsOpen44.Electrical Diagrams > Rear LightingLighting and HornsOpen45.Headlamp β€” Diagram Information and Instructions > How to Find System & Component DiagramsLighting and HornsOpen46.Headlamp β€” Diagram Information and Instructions > How to Read Wiring Diagrams > Connectors, Grounds and SplicesLighting and HornsOpen47.Headlamp β€” Diagram Information and Instructions > How to Read Wiring Diagrams > Wire Color CodesLighting and HornsOpen48.Headlamp β€” Electrical DiagramsLighting and HornsOpen