Wiring Diagram Cluster
1990 Porsche 911 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
911 Carrera 2 Cabriolet F6-3600cc 3.6L SOHC
Total Vehicle Diagrams
498
From Diagram To Fix
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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 1990 Porsche 911 hub with repairs, specs, codes, and other systems already tied to this car.
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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 Porsche 911 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.Electrical Diagrams > Heating and Air Conditioning > Control Assembly, HVACGeneralOpen2.Electrical Diagrams > Heating and Air Conditioning > Control Module HVACGeneralOpen3.Electrical Diagrams > Diagrams By Coordinates > A21 to P30 (Heater, AC)GeneralOpen4.Electrical Diagrams > Heating and Air Conditioning > Blower MotorGeneralOpen5.Electrical Diagrams > Heating and Air Conditioning > Blower Motor RelayGeneralOpen6.Electrical Diagrams > Heating and Air Conditioning > Blower Motor ResistorGeneralOpen7.Electrical Diagrams > Heating and Air Conditioning > Compressor ClutchGeneralOpen8.Electrical Diagrams > Heating and Air Conditioning > Compressor Clutch RelayGeneralOpen9.Exploded Views > Housing Assembly HVACGeneralOpen10.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > AbbreviationsBrakes and Traction ControlOpen11.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > How to Find the Correct Diagram (Start Here)Brakes and Traction ControlOpen12.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > How to Use DiagramsBrakes and Traction ControlOpen13.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > Symbol IdentificationBrakes and Traction ControlOpen14.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > Wire Color Code IdentificationBrakes and Traction ControlOpen15.Antilock Brakes / Traction Control Systems — Electrical DiagramsBrakes and Traction ControlOpen16.Backup Lamp — Diagram Information and Instructions > AbbreviationsLighting and HornsOpen17.Backup Lamp — Diagram Information and Instructions > How to Find the Correct Diagram (Start Here)Lighting and HornsOpen18.Backup Lamp — Diagram Information and Instructions > How to Use DiagramsLighting and HornsOpen19.Backup Lamp — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen20.Backup Lamp — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen21.Backup Lamp — Electrical DiagramsLighting and HornsOpen22.Connector Views > Lateral Acceleration Sensor, A/TGeneralOpen23.Electrical Diagrams > Accessories and Optional Equipment > Amplifier, Sound SystemGeneralOpen24.Electrical Diagrams > Accessories and Optional Equipment > AntennaGeneralOpen25.Electrical Diagrams > Accessories and Optional Equipment > Antitheft and Alarm Systems > Alarm HornGeneralOpen26.Electrical Diagrams > Accessories and Optional Equipment > Antitheft and Alarm Systems > Alarm Module, (Vehicle Antitheft)GeneralOpen27.Electrical Diagrams > Accessories and Optional Equipment > Antitheft and Alarm Systems > System DiagramGeneralOpen28.Electrical Diagrams > Accessories and Optional Equipment > Cellular PhoneGeneralOpen29.Electrical Diagrams > Accessories and Optional Equipment > Radio/StereoGeneralOpen30.Electrical Diagrams > Accessories and Optional Equipment > System DiagramGeneralOpen31.Electrical Diagrams > Accessories and Optional Equipment > Trip ComputerGeneralOpen32.Electrical Diagrams > Air Bag Systems > Impact SensorGeneralOpen33.Electrical Diagrams > Antilock Brakes / Traction Control Systems > ABS Main RelayGeneralOpen34.Electrical Diagrams > Antilock Brakes / Traction Control Systems > Electronic Brake Control ModuleGeneralOpen35.Electrical Diagrams > Antilock Brakes / Traction Control Systems > System DiagramGeneralOpen36.Electrical Diagrams > Antilock Brakes / Traction Control Systems > Wheel Speed SensorGeneralOpen37.Electrical Diagrams > Body and Frame > Active Spoiler Control UnitGeneralOpen38.Electrical Diagrams > Heating and Air Conditioning > Air Conditioning SwitchGeneralOpen39.Electrical Diagrams > Heating and Air Conditioning > Condenser FanGeneralOpen40.Electrical Diagrams > Heating and Air Conditioning > System DiagramGeneralOpen41.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > TachometerGeneralOpen42.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen43.Electrical Diagrams > Powertrain Management > Computers and Control Systems > Acceleration Enrichment ModuleGeneralOpen44.Fluid Diagrams > Heating and Air ConditioningGeneralOpen45.Vacuum and Vapor Hose Diagrams > Emission Control Systems > Evaporative Emissions SystemGeneralOpen46.Vacuum and Vapor Hose Diagrams > Emission Control Systems > System DiagramGeneralOpen47.Antenna — Diagram Information and Instructions > AbbreviationsAccessories and Optional EquipmentOpen48.Antenna — Diagram Information and Instructions > How to Find the Correct Diagram (Start Here)Accessories and Optional EquipmentOpen
Exact Vehicle Hub
Browse →OEM Manual Evidence
Browse →1990 Porsche 911 A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1990 Porsche 911 Carrera 2 Cabriolet F6-3600cc 3.6L SOHC Service Manual | Operation CHARM Operatio...
1990 Porsche 911 A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1990 Porsche 911 Carrera 2 Coupe F6-3600cc 3.6L SOHC Service Manual | Operation CHARM Operation CH...
1990 Porsche 911 A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1990 Porsche 911 Carrera 2 Targa F6-3600cc 3.6L SOHC Service Manual | Operation CHARM Operation CH...
1990 Porsche 911 A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1990 Porsche 911 Carrera 4 Cabriolet AWD F6-3600cc 3.6L SOHC Service Manual | Operation CHARM Oper...
More 911 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 Toyota Supra A/C & Heater Wiring Diagram1993 Toyota Camry Sedan A/C & Heater Wiring Diagram1993 Toyota Camry Wagon A/C & Heater Wiring Diagram1990 Honda Prelude A/C & Heater Wiring Diagram1994 Toyota Camry Sedan 2-Door A/C & Heater Wiring Diagram1994 Toyota Camry Sedan 4-Door A/C & Heater Wiring Diagram1994 Toyota Celica A/C & Heater Wiring Diagram1995 Toyota Camry Coupe 2-Door A/C & Heater Wiring Diagram