Wiring Diagram Cluster

1989 Buick Riviera 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

Riviera V6-231 3.8L VIN C SFI

Total Vehicle Diagrams

780

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 1989 Buick Riviera hub with repairs, specs, codes, and other systems already tied to this car.

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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 Buick Riviera Diagnostic Trouble Codes 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.Components > Miscellaneous Components > Aspirator, HVACGeneralOpen2.Components > Miscellaneous Components > Heater & A/C ProgrammerGeneralOpen3.Components > Miscellaneous Components > Lumbar Compressor CapacitorGeneralOpen4.Electrical Diagrams > Heating and Air Conditioning > Blower Controls > Part 1 of 2GeneralOpen5.Electrical Diagrams > Heating and Air Conditioning > Blower Controls > Part 2 of 2GeneralOpen6.Electrical Diagrams > Heating and Air Conditioning > Compressor Controls > Part 1 of 2GeneralOpen7.Electrical Diagrams > Heating and Air Conditioning > Compressor Controls > Part 2 of 2GeneralOpen8.Antilock Brakes / Traction Control Systems β€” Connector ViewsBrakes and Traction ControlOpen9.Antilock Brakes / Traction Control Systems β€” Diagnostic Aids > Pull-to-Seat ConnectorsBrakes and Traction ControlOpen10.Antilock Brakes / Traction Control Systems β€” Diagnostic Aids > Push-to-Seat ConnectorsBrakes and Traction ControlOpen11.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Cell ReferencesBrakes and Traction ControlOpen12.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Schematic SymbolsBrakes and Traction ControlOpen13.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Symbol IdentificationBrakes and Traction ControlOpen14.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Wire Color Code IdentificationBrakes and Traction ControlOpen15.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Part 1 of 5Brakes and Traction ControlOpen16.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Part 2 of 5Brakes and Traction ControlOpen17.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Part 3 of 5Brakes and Traction ControlOpen18.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Part 4 of 5Brakes and Traction ControlOpen19.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Part 5 of 5Brakes and Traction ControlOpen20.Electrical Diagrams > Blower Controls > Part 1 of 2Heating and Air ConditioningOpen21.Electrical Diagrams > Blower Controls > Part 2 of 2Heating and Air ConditioningOpen22.Electrical Diagrams > Compressor Controls > Part 1 of 2Heating and Air ConditioningOpen23.Electrical Diagrams > Compressor Controls > Part 2 of 2Heating and Air ConditioningOpen24.Radio, Stereo, and Compact Disc β€” Diagnostic Aids > Pull-to-Seat ConnectorsAccessories and Optional EquipmentOpen25.Radio, Stereo, and Compact Disc β€” Diagnostic Aids > Push-to-Seat ConnectorsAccessories and Optional EquipmentOpen26.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Cell ReferencesAccessories and Optional EquipmentOpen27.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Schematic SymbolsAccessories and Optional EquipmentOpen28.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Symbol IdentificationAccessories and Optional EquipmentOpen29.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Wire Color Code IdentificationAccessories and Optional EquipmentOpen30.Radio, Stereo, and Compact Disc β€” Electrical Diagrams > Less Delco-Bose SystemAccessories and Optional EquipmentOpen31.Radio, Stereo, and Compact Disc β€” Electrical Diagrams > Remote Cassette Tape PlayerAccessories and Optional EquipmentOpen32.Radio, Stereo, and Compact Disc β€” Electrical Diagrams > With Delco Bose SystemAccessories and Optional EquipmentOpen33.Automatic Transmission/Transaxle β€” Exploded Views > Accumulator Cover & Governor PipesTransmission and DrivetrainOpen34.Automatic Transmission/Transaxle β€” Exploded Views > Input & Reaction CarriersTransmission and DrivetrainOpen35.Backup Lamp β€” Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen36.Backup Lamp β€” Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen37.Backup Lamp β€” Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen38.Backup Lamp β€” Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen39.Backup Lamp β€” Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen40.Backup Lamp β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen41.Backup Lamp β€” Electrical DiagramsLighting and HornsOpen42.Components > Miscellaneous Components > A/C Clutch DiodeGeneralOpen43.Components > Miscellaneous Components > Electronic Level Control Compressor AssemblyGeneralOpen44.Components > Miscellaneous Components > LH Power Seat CapacitorGeneralOpen45.Components > Miscellaneous Components > Lower Mode Valve Vacuum ActuatorGeneralOpen46.Components > Miscellaneous Components > Lumbar Support CompressorGeneralOpen47.Components > Miscellaneous Components > Outside Air Valve Vacuum ActuatorGeneralOpen48.Components > Miscellaneous Components > RH Power Seat CapacitorGeneralOpen