Wiring Diagram Cluster

1991 Geo Prizm 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

Prizm L4-1600cc 1.6L DOHC VIN 5

Total Vehicle Diagrams

564

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 1991 Geo Prizm 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.

1991 Geo Prizm 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.Compressor HVAC β€” Compressor ComponentsHeating and Air ConditioningOpen2.Compressor HVAC β€” Magnetic Clutch ComponentsHeating and Air ConditioningOpen3.Electrical Diagrams > Heating and Air Conditioning > A/C Compressor Controls > Base and LSi ModelsGeneralOpen4.Electrical Diagrams > Heating and Air Conditioning > A/C Compressor Controls > GSi ModelsGeneralOpen5.Exploded Views > Compressor HVAC > Compressor ClutchGeneralOpen6.Exploded Views > Compressor HVAC > System Diagram > Compressor ComponentsGeneralOpen7.Exploded Views > Compressor HVAC > System Diagram > Magnetic Clutch ComponentsGeneralOpen8.Electrical Diagrams > A/C Compressor Controls > Base and LSi ModelsHeating and Air ConditioningOpen9.Electrical Diagrams > A/C Compressor Controls > GSi ModelsHeating and Air ConditioningOpen10.Components > Miscellaneous Components > A/C ActuatorGeneralOpen11.Components > Relays > A/C Compressor Temperature RelayGeneralOpen12.Components > Switches > A/C Compressor Temperature SwitchGeneralOpen13.Connector Views > Control Module HVAC > Base and LSi ModelsGeneralOpen14.Connector Views > Control Module HVAC > GSi ModelsGeneralOpen15.Electrical Diagrams > Heating and Air Conditioning > A/C System CircuitryGeneralOpen16.Electrical Diagrams > Heating and Air Conditioning > HeaterGeneralOpen17.Electrical Diagrams > A/C System CircuitryHeating and Air ConditioningOpen18.Electrical Diagrams > HeaterHeating and Air ConditioningOpen19.Radio, Stereo, and Compact Disc β€” Diagnostic Aids > Pull-to-Seat ConnectorsAccessories and Optional EquipmentOpen20.Radio, Stereo, and Compact Disc β€” Diagnostic Aids > Push-to-Seat ConnectorsAccessories and Optional EquipmentOpen21.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Cell ReferencesAccessories and Optional EquipmentOpen22.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Schematic SymbolsAccessories and Optional EquipmentOpen23.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Symbol Identification > Part 1 of 3Accessories and Optional EquipmentOpen24.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Symbol Identification > Part 2 of 3Accessories and Optional EquipmentOpen25.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Symbol Identification > Part 3 of 3Accessories and Optional EquipmentOpen26.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Wire Color Code IdentificationAccessories and Optional EquipmentOpen27.Radio, Stereo, and Compact Disc β€” Electrical DiagramsAccessories and Optional EquipmentOpen28.Backup Lamp β€” Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen29.Backup Lamp β€” Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen30.Backup Lamp β€” Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen31.Backup Lamp β€” Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen32.Backup Lamp β€” Diagram Information and Instructions > Symbol Identification > Part 1 of 3Lighting and HornsOpen33.Backup Lamp β€” Diagram Information and Instructions > Symbol Identification > Part 2 of 3Lighting and HornsOpen34.Backup Lamp β€” Diagram Information and Instructions > Symbol Identification > Part 3 of 3Lighting and HornsOpen35.Backup Lamp β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen36.Backup Lamp β€” Electrical DiagramsLighting and HornsOpen37.Components > Miscellaneous Components > A/C AmplifierGeneralOpen38.Components > Miscellaneous Components > A/C DiodeGeneralOpen39.Components > Miscellaneous Components > Blower ResistorGeneralOpen40.Components > Miscellaneous Components > Cruise Control ActuatorGeneralOpen41.Components > Miscellaneous Components > Cruise Control Vacuum PumpGeneralOpen42.Components > Miscellaneous Components > Door Lock ActuatorGeneralOpen43.Components > Miscellaneous Components > Horn Contact RingGeneralOpen44.Components > Motors > Blower MotorGeneralOpen45.Components > Relays > A/C Fan Relay No. 1GeneralOpen46.Components > Relays > A/C Fan Relay No. 2GeneralOpen47.Components > Switches > A/C Dual Pressure SwitchGeneralOpen48.Components > Switches > A/C SwitchGeneralOpen