Wiring Diagram Cluster

1989 Pontiac Firebird 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

Firebird V6-173 2.8L

Total Vehicle Diagrams

556

From Diagram To Fix

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Vehicle Repair Hub

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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.

1989 Pontiac Firebird 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.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > Housing Assembly HVAC > A/C Module SchematicGeneralOpen2.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > Housing Assembly HVAC > Heater Airflow SchematicGeneralOpen3.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > Housing Assembly HVAC > Operating Mode Airflow Distribution - A/CGeneralOpen4.Compressor HVAC β€” DiagramHeating and Air ConditioningOpen5.Exploded Views > Compressor HVACGeneralOpen6.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > Air Door Actuator / Motor, HVACGeneralOpen7.Components > Miscellaneous Components > A/C Compressor ClutchGeneralOpen8.Components > Miscellaneous Components > Blower Resistors > Less A/CGeneralOpen9.Components > Miscellaneous Components > Blower Resistors > With A/CGeneralOpen10.Components > Motors > Blower Motor > With A/CGeneralOpen11.Components > Motors > Blower Motor > Without A/CGeneralOpen12.Components > Motors > Heat-Defrost Vacuum MotorGeneralOpen13.Components > Motors > Heater Water Valve Vacuum MotorGeneralOpen14.Components > Relays > A/C Compressor Control RelayGeneralOpen15.Electrical Diagrams > Heating and Air Conditioning > Blower Controls > Part 1 of 2GeneralOpen16.Electrical Diagrams > Heating and Air Conditioning > Blower Controls > Part 2 of 2GeneralOpen17.Electrical Diagrams > Heating and Air Conditioning > Compressor ControlsGeneralOpen18.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Heater/Air Conditioning FuseGeneralOpen19.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > System Diagram > Air DeliveryGeneralOpen20.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > System Diagram > Operating Mode Airflow DistributionGeneralOpen21.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > System Diagram > Vacuum CircuitGeneralOpen22.Electrical Diagrams > Blower Controls > Part 1 of 2Heating and Air ConditioningOpen23.Electrical Diagrams > Blower Controls > Part 2 of 2Heating and Air ConditioningOpen24.Electrical Diagrams > Compressor ControlsHeating and Air ConditioningOpen25.Radio, Stereo, and Compact Disc β€” Diagnostic Aids > Pull-to-Seat ConnectorsAccessories and Optional EquipmentOpen26.Radio, Stereo, and Compact Disc β€” Diagnostic Aids > Push-to-Seat ConnectorsAccessories and Optional EquipmentOpen27.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Cell ReferencesAccessories and Optional EquipmentOpen28.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Schematic SymbolsAccessories and Optional EquipmentOpen29.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Symbol IdentificationAccessories and Optional EquipmentOpen30.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Wire Color Code IdentificationAccessories and Optional EquipmentOpen31.Radio, Stereo, and Compact Disc β€” Electrical Diagrams > Less Electronic SystemAccessories and Optional EquipmentOpen32.Radio, Stereo, and Compact Disc β€” Electrical Diagrams > With Electronic SystemAccessories and Optional EquipmentOpen33.Vacuum and Vapor Hose Diagrams > Air DeliveryHeating and Air ConditioningOpen34.Vacuum and Vapor Hose Diagrams > Operating Mode Airflow DistributionHeating and Air ConditioningOpen35.Vacuum and Vapor Hose Diagrams > Vacuum CircuitHeating and Air ConditioningOpen36.Backup Lamp β€” Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen37.Backup Lamp β€” Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen38.Backup Lamp β€” Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen39.Backup Lamp β€” Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen40.Backup Lamp β€” Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen41.Backup Lamp β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen42.Backup Lamp β€” Electrical DiagramsLighting and HornsOpen43.Components > Miscellaneous Components > Brake Vacuum Release ValveGeneralOpen44.Components > Miscellaneous Components > Electronic Vacuum Regulator ValveGeneralOpen45.Components > Miscellaneous Components > Hatch Contact AssemblyGeneralOpen46.Components > Miscellaneous Components > Recirculating/Outside Air Vacuum ActuatorGeneralOpen47.Components > Miscellaneous Components > Vacuum Release ValveGeneralOpen48.Components > Motors > Lower Mode Vacuum MotorGeneralOpen