Wiring Diagram Cluster

1985 Plymouth Horizon A/C & Heater Wiring Diagram

Find A/C compressor clutch wiring, blower motor circuits, temperature control module paths, and refrigerant pressure switch schematics.

Matched Diagrams

23

Variant Used

Horizon L4-135 2.2L SOHC

Total Vehicle Diagrams

162

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 1985 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.

1985 Plymouth Horizon A L L Diagnostic Trouble Codes ( DTC ) β†’

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More System Pages for This Vehicle

Move laterally into the neighboring systems that usually share the same electrical neighborhood.

Starter Wiring Diagram β†’

Top A/C & Heater Diagram Paths

1.Electrical Diagrams > Heating and Air Conditioning > A/C And Heater ControlsGeneralOpen2.Electrical Diagrams > A/C And Heater ControlsHeating and Air ConditioningOpen3.Electrical Diagrams > Heating and Air Conditioning > Heater ControlsGeneralOpen4.Electrical Diagrams > Heating and Air Conditioning > Radiator Fan and Compressor CircuitsGeneralOpen5.Vacuum and Vapor Hose Diagrams > Heating and Air ConditioningGeneralOpen6.Electrical Diagrams > Heater ControlsHeating and Air ConditioningOpen7.Electrical Diagrams > Radiator Fan and Compressor CircuitsHeating and Air ConditioningOpen8.Vacuum and Vapor Hose DiagramsHeating and Air ConditioningOpen9.Cooling System β€” Electrical Diagrams > Radiator Fan (Heater Only)Engine, Cooling and ExhaustOpen10.Cooling System β€” Electrical Diagrams > Radiator Fan and Compressor CircuitsEngine, Cooling and ExhaustOpen11.Electrical Diagrams > Accessory Delay ModuleGeneralOpen12.Electrical Diagrams > Cooling System > Radiator Fan (Heater Only)GeneralOpen13.Electrical Diagrams > Cooling System > Radiator Fan and Compressor CircuitsGeneralOpen14.Electrical Diagrams > Tachometer > Part 1 of 2GeneralOpen15.Electrical Diagrams > Tachometer > Part 2 of 2GeneralOpen16.Emission Control Systems β€” Vacuum and Vapor Hose Diagrams > CaliforniaPowertrain ManagementOpen17.Emission Control Systems β€” Vacuum and Vapor Hose Diagrams > FederalPowertrain ManagementOpen18.Tachometer β€” Diagram Information and InstructionsInstrument Panel, Gauges and Warning IndicatorsOpen19.Tachometer β€” Electrical Diagrams > Part 1 of 2Instrument Panel, Gauges and Warning IndicatorsOpen20.Tachometer β€” Electrical Diagrams > Part 2 of 2Instrument Panel, Gauges and Warning IndicatorsOpen21.Vacuum and Vapor Hose Diagrams > Emission Control Systems > CaliforniaGeneralOpen22.Vacuum and Vapor Hose Diagrams > Emission Control Systems > FederalGeneralOpen23.Diagram Information and InstructionsHeating and Air ConditioningOpen