Wiring Diagram Cluster
1990 Chevrolet Caprice 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
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.
Keep context
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.
1990 Chevrolet Caprice A L L Diagnostic Trouble Codes ( DTC ) →Stay in wiring
More System Pages for This Vehicle
Move laterally into the neighboring systems that usually share the same electrical neighborhood.
Starter Wiring Diagram →Top A/C & Heater Diagram Paths
1.Components > Miscellaneous Components > A/C Defrost Valve Vacuum ActuatorGeneralOpen2.Components > Miscellaneous Components > A/C Heater Valve Vacuum ActuatorGeneralOpen3.Components > Miscellaneous Components > A/C & Heater Programer, TempmaticGeneralOpen4.Components > Miscellaneous Components > Blower Resistors > Less A/CGeneralOpen5.Components > Miscellaneous Components > Blower Resistors > With A/CGeneralOpen6.Components > Miscellaneous Components > Heater Water Valve Vacuum ActuatorGeneralOpen7.Components > Motors > Blower Motor > With A/CGeneralOpen8.Components > Motors > Blower Motor > Without A/CGeneralOpen9.Components > Relays > A/C Compressor Control RelayGeneralOpen10.Electrical Diagrams > Heating and Air Conditioning > Blower ControlsGeneralOpen11.Electrical Diagrams > Heating and Air Conditioning > Compressor Controls > Less Fuel Injection > Part 1 of 2GeneralOpen12.Electrical Diagrams > Heating and Air Conditioning > Compressor Controls > Less Fuel Injection > Part 2 of 2GeneralOpen13.Electrical Diagrams > Heating and Air Conditioning > Compressor Controls > With Fuel InjectionGeneralOpen14.Electrical Diagrams > Heating and Air Conditioning > HeaterGeneralOpen15.Vacuum and Vapor Hose Diagrams > Heating and Air ConditioningGeneralOpen16.Electrical Diagrams > Blower ControlsHeating and Air ConditioningOpen17.Electrical Diagrams > Compressor Controls > Less Fuel Injection > Part 1 of 2Heating and Air ConditioningOpen18.Electrical Diagrams > Compressor Controls > Less Fuel Injection > Part 2 of 2Heating and Air ConditioningOpen19.Electrical Diagrams > Compressor Controls > With Fuel InjectionHeating and Air ConditioningOpen20.Electrical Diagrams > HeaterHeating and Air ConditioningOpen21.Radio, Stereo, and Compact Disc — Diagnostic Aids > Pull-to-Seat ConnectorsAccessories and Optional EquipmentOpen22.Radio, Stereo, and Compact Disc — Diagnostic Aids > Push-to-Seat ConnectorsAccessories and Optional EquipmentOpen23.Radio, Stereo, and Compact Disc — Diagram Information and Instructions > Cell ReferencesAccessories and Optional EquipmentOpen24.Radio, Stereo, and Compact Disc — Diagram Information and Instructions > Schematic SymbolsAccessories and Optional EquipmentOpen25.Radio, Stereo, and Compact Disc — Diagram Information and Instructions > Symbol IdentificationAccessories and Optional EquipmentOpen26.Radio, Stereo, and Compact Disc — Diagram Information and Instructions > Wire Color Code IdentificationAccessories and Optional EquipmentOpen27.Radio, Stereo, and Compact Disc — Electrical DiagramsAccessories and Optional EquipmentOpen28.Vacuum and Vapor Hose DiagramsHeating and Air ConditioningOpen29.Components > Miscellaneous Components > Electronic Vacuum Regulator ValveGeneralOpen30.Components > Miscellaneous Components > Expansion Tube, A/CGeneralOpen31.Components > Miscellaneous Components > Heater Water ValveGeneralOpen32.Components > Miscellaneous Components > Lap RetractorsGeneralOpen33.Components > Miscellaneous Components > Outside Air Valve Vacuum ActuatorGeneralOpen34.Components > Miscellaneous Components > Shoulder RetractorsGeneralOpen35.Components > Miscellaneous Components > Vacuum Release ValveGeneralOpen36.Components > Motors > Idle Air Control (IAC) MotorGeneralOpen37.Components > Relays > Blower RelayGeneralOpen38.Components > Solenoids > Exhaust Gas Recirculation Vacuum SolenoidGeneralOpen39.Electrical Diagrams > Backup LampGeneralOpen40.Electrical Diagrams > Radio, Stereo, and Compact DiscGeneralOpen41.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Circuit Breaker > Back-Up/Turn Fuse & Window Circuit BreakerGeneralOpen42.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Circuit Breaker > Power Accessory Circuit Breaker > SedanGeneralOpen43.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Circuit Breaker > Power Accessory Circuit Breaker > WagonGeneralOpen44.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > A/C, Radio, Stop/Hazard & WiperGeneralOpen45.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Back-Up/Turn Fuse & Window Circuit BreakerGeneralOpen46.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Power Accessory Circuit Breaker > SedanGeneralOpen47.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Power Accessory Circuit Breaker > WagonGeneralOpen48.Emission Control Systems — Vacuum and Vapor Hose DiagramsPowertrain ManagementOpen
Exact Vehicle Hub
Browse →OEM Manual Evidence
Browse →1990 Chevrolet Caprice A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1990 Chevrolet Caprice V8-307 5.0L Service Manual | Operation CHARM Operation CHARM : Car repair m...
1990 Chevrolet Caprice A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1990 Chevrolet Caprice V8-350 5.7L Service Manual | Operation CHARM Operation CHARM : Car repair m...
1990 Chevrolet Caprice A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1990 Chevrolet Caprice V6-262 4.3L Service Manual | Operation CHARM Operation CHARM : Car repair m...
1990 Chevrolet Caprice A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1990 Chevrolet Caprice V8-305 5.0L Service Manual | Operation CHARM Operation CHARM : Car repair m...
More Caprice Wiring Pages
Starter Wiring DiagramAlternator Wiring DiagramFuel Pump Wiring DiagramHeadlight Wiring DiagramABS Brake Wiring DiagramPower Window Wiring DiagramInstrument Cluster Wiring DiagramWiper & Washer Wiring DiagramTransmission Wiring DiagramCruise Control Wiring DiagramAirbag SRS Wiring DiagramEngine Management Wiring DiagramBody Electrical Wiring Diagram
Same System, Other Vehicles
1990 Chevrolet Beretta A/C & Heater Wiring Diagram1990 Chevrolet Cavalier A/C & Heater Wiring Diagram1990 Chevrolet Celebrity A/C & Heater Wiring Diagram1990 Chevrolet Corsica A/C & Heater Wiring Diagram1990 Chevrolet Corvette A/C & Heater Wiring Diagram1990 Chevrolet Lumina A/C & Heater Wiring Diagram1992 Chevrolet Caprice RWD A/C & Heater Wiring Diagram1992 Chevrolet Caprice Wagon RWD A/C & Heater Wiring Diagram