Wiring Diagram Cluster

1990 Chevrolet Corvette 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

Corvette V8-350 5.7L

Total Vehicle Diagrams

810

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 Corvette 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 Chevrolet Corvette A L L Diagnostic Trouble Codes ( DTC ) β†’

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 β†’

Top A/C & Heater Diagram Paths

1.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > Electronically Controlled > Part 1 of 2GeneralOpen2.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > Electronically Controlled > Part 2 of 2GeneralOpen3.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > Manually Controlled > Part 1 of 2GeneralOpen4.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > Manually Controlled > Part 2 of 2GeneralOpen5.Compressor HVAC β€” Diagnostic Aids > Pull-to-Seat ConnectorsHeating and Air ConditioningOpen6.Compressor HVAC β€” Diagnostic Aids > Push-to-Seat ConnectorsHeating and Air ConditioningOpen7.Compressor HVAC β€” Diagram Information and Instructions > Cell ReferencesHeating and Air ConditioningOpen8.Compressor HVAC β€” Diagram Information and Instructions > Schematic SymbolsHeating and Air ConditioningOpen9.Compressor HVAC β€” Diagram Information and Instructions > Symbol IdentificationHeating and Air ConditioningOpen10.Compressor HVAC β€” Diagram Information and Instructions > Wire Color Code IdentificationHeating and Air ConditioningOpen11.Compressor HVAC β€” Electrical Diagrams > Electronically Controlled > Part 1 of 2Heating and Air ConditioningOpen12.Compressor HVAC β€” Electrical Diagrams > Electronically Controlled > Part 2 of 2Heating and Air ConditioningOpen13.Compressor HVAC β€” Electrical Diagrams > Manually Controlled > Part 1 of 2Heating and Air ConditioningOpen14.Compressor HVAC β€” Electrical Diagrams > Manually Controlled > Part 2 of 2Heating and Air ConditioningOpen15.Components > Miscellaneous Components > A/C Defrost Valve Vacuum ActuatorGeneralOpen16.Electrical Diagrams > Heating and Air Conditioning > Control Assembly, HVAC > Electronically Controlled > Part 1 of 2GeneralOpen17.Electrical Diagrams > Heating and Air Conditioning > Control Assembly, HVAC > Electronically Controlled > Part 2 of 2GeneralOpen18.Electrical Diagrams > Heating and Air Conditioning > Control Assembly, HVAC > Manually ControlledGeneralOpen19.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater > Blower Controls > Electronically Controlled > Part 1 of 2GeneralOpen20.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater > Blower Controls > Electronically Controlled > Part 2 of 2GeneralOpen21.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater > Blower Controls > Manually Controlled > Part 1 of 2GeneralOpen22.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater > Blower Controls > Manually Controlled > Part 2 of 2GeneralOpen23.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater > Compressor Controls > Electronically Controlled > Part 1 of 2GeneralOpen24.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater > Compressor Controls > Electronically Controlled > Part 2 of 2GeneralOpen25.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater > Compressor Controls > Manually Controlled > Part 1 of 2GeneralOpen26.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater > Compressor Controls > Manually Controlled > Part 2 of 2GeneralOpen27.Electrical Diagrams > Heater > Blower Controls > Electronically Controlled > Part 1 of 2Heating and Air ConditioningOpen28.Electrical Diagrams > Heater > Blower Controls > Electronically Controlled > Part 2 of 2Heating and Air ConditioningOpen29.Electrical Diagrams > Heater > Blower Controls > Manually Controlled > Part 1 of 2Heating and Air ConditioningOpen30.Electrical Diagrams > Heater > Blower Controls > Manually Controlled > Part 2 of 2Heating and Air ConditioningOpen31.Electrical Diagrams > Heater > Compressor Controls > Electronically Controlled > Part 1 of 2Heating and Air ConditioningOpen32.Electrical Diagrams > Heater > Compressor Controls > Electronically Controlled > Part 2 of 2Heating and Air ConditioningOpen33.Electrical Diagrams > Heater > Compressor Controls > Manually Controlled > Part 1 of 2Heating and Air ConditioningOpen34.Electrical Diagrams > Heater > Compressor Controls > Manually Controlled > Part 2 of 2Heating and Air ConditioningOpen35.Components > Miscellaneous Components > A/C Compressor ClutchGeneralOpen36.Components > Relays > A/C Compressor Clutch Control RelayGeneralOpen37.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > Electronically Controlled > Part 1 of 2GeneralOpen38.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > Electronically Controlled > Part 2 of 2GeneralOpen39.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > Manually Controlled > Part 1 of 2GeneralOpen40.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > Manually Controlled > Part 2 of 2GeneralOpen41.Electrical Diagrams > Heating and Air Conditioning > System Diagram > A/C Temperature Controls > With Electronic Controls > Part 1 of 2GeneralOpen42.Electrical Diagrams > Heating and Air Conditioning > System Diagram > A/C Temperature Controls > With Electronic Controls > Part 2 of 2GeneralOpen43.Electrical Diagrams > Heating and Air Conditioning > System Diagram > A/C Temperature Controls > With Manual ControlsGeneralOpen44.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Blower Controls > With Electronic Control > Part 1 of 2GeneralOpen45.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Blower Controls > With Electronic Control > Part 2 of 2GeneralOpen46.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Blower Controls > With Manual Controls > Part 1 of 2GeneralOpen47.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Blower Controls > With Manual Controls > Part 2 of 2GeneralOpen48.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Compressor Controls > With Electronic Control > Part 1 of 2GeneralOpen