Wiring Diagram Cluster

1985 Oldsmobile Firenza A/C & Heater Wiring Diagram

Find A/C compressor clutch wiring, blower motor circuits, temperature control module paths, and refrigerant pressure switch schematics.

Open Exact Vehicle Repair HubOpen Interactive Diagram BrowserBrowse All Wiring Diagrams

Matched Diagrams

48

Variant Used

Firenza L4-112 1.8L

Total Vehicle Diagrams

374

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 1985 Oldsmobile Firenza hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub →
1985 Oldsmobile Firenza A L L Diagnostic Trouble Codes ( DTC )

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.

1985 Oldsmobile Firenza A L L Diagnostic Trouble Codes ( DTC ) →
1985 Oldsmobile Firenza A L L Diagnostic Trouble Codes ( DTC )1985 Oldsmobile Firenza A L L Diagnostic Trouble Codes ( DTC )1985 Oldsmobile Firenza Diagnostic Trouble Codes

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 →
Alternator Wiring DiagramHeadlight Wiring DiagramPower Window Wiring Diagram

Top A/C & Heater Diagram Paths

1.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > A/C Compressor, Air Flow Sensor & Emission ControlGeneralOpen2.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > W/All Weather A/C > Part 1 of 2GeneralOpen3.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > W/All Weather A/C > Part 2 of 2GeneralOpen4.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > W/Tempmatic A/C > Part 1 of 2GeneralOpen5.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > W/Tempmatic A/C > Part 2 of 2GeneralOpen6.Compressor HVAC — Electrical Diagrams > A/C Compressor, Air Flow Sensor & Emission ControlHeating and Air ConditioningOpen7.Compressor HVAC — Electrical Diagrams > W/All Weather A/C > Part 1 of 2Heating and Air ConditioningOpen8.Compressor HVAC — Electrical Diagrams > W/All Weather A/C > Part 2 of 2Heating and Air ConditioningOpen9.Compressor HVAC — Electrical Diagrams > W/Tempmatic A/C > Part 1 of 2Heating and Air ConditioningOpen10.Compressor HVAC — Electrical Diagrams > W/Tempmatic A/C > Part 2 of 2Heating and Air ConditioningOpen11.Electrical Diagrams > Heating and Air Conditioning > System Diagram > A/C Blower & Compressor Control Wiring Circuit > Part 1 of 2GeneralOpen12.Electrical Diagrams > Heating and Air Conditioning > System Diagram > A/C Blower & Compressor Control Wiring Circuit > Part 2 of 2GeneralOpen13.Compressor HVAC — Diagram Information and InstructionsHeating and Air ConditioningOpen14.Compressor HVAC — Exploded ViewsHeating and Air ConditioningOpen15.Electrical Diagrams > A/C Blower & Compressor Control Wiring Circuit > Part 1 of 2Heating and Air ConditioningOpen16.Electrical Diagrams > A/C Blower & Compressor Control Wiring Circuit > Part 2 of 2Heating and Air ConditioningOpen17.Components > Motors > A/C-Heater Vacuum MotorGeneralOpen18.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > W/All Weather A/C > Part 1 of 2GeneralOpen19.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > W/All Weather A/C > Part 2 of 2GeneralOpen20.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > W/Tempmatic A/C > Part 1 of 2GeneralOpen21.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > W/Tempmatic A/C > Part 2 of 2GeneralOpen22.Exploded Views > Compressor HVACGeneralOpen23.Components > Modules > Blower & A/C Clutch Control ModuleGeneralOpen24.Components > Motors > Heater Vacuum MotorGeneralOpen25.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater Control Wiring CircuitGeneralOpen26.Electrical Diagrams > Powertrain Controls > With Multiport Fuel Injection (MPI) > A/C Compressor, Air Flow Sensor & Emission ControlPowertrain ManagementOpen27.Electrical Diagrams > Powertrain Management > System Diagram > Powertrain Controls > With Multiport Fuel Injection (MPI) > A/C Compressor, Air Flow Sensor & Emission ControlGeneralOpen28.Vacuum and Vapor Hose Diagrams > Heating and Air ConditioningGeneralOpen29.Electrical Diagrams > Heater Control Wiring CircuitHeating and Air ConditioningOpen30.Radio, Stereo, and Compact Disc — Diagram Information and InstructionsAccessories and Optional EquipmentOpen31.Radio, Stereo, and Compact Disc — Electrical DiagramsAccessories and Optional EquipmentOpen32.Vacuum and Vapor Hose DiagramsHeating and Air ConditioningOpen33.Backup Lamp — Diagram Information and InstructionsLighting and HornsOpen34.Backup Lamp — Electrical DiagramsLighting and HornsOpen35.Components > Miscellaneous Components > A/C Control FuseGeneralOpen36.Components > Miscellaneous Components > Blower ResistorsGeneralOpen37.Components > Miscellaneous Components > Radio CapacitorGeneralOpen38.Components > Miscellaneous Components > Temperature Door ActuatorGeneralOpen39.Components > Miscellaneous Components > Vacuum PumpGeneralOpen40.Components > Miscellaneous Components > Vacuum Release ValveGeneralOpen41.Components > Miscellaneous Components > Vacuum TankGeneralOpen42.Components > Motors > A/C Temperature Door MotorGeneralOpen43.Components > Motors > Defogger Vacuum MotorGeneralOpen44.Components > Motors > Jack MotorsGeneralOpen45.Components > Motors > Recirc/Outside Air Vacuum MotorGeneralOpen46.Components > Relays > Blower RelayGeneralOpen47.Components > Relays > High Blower RelayGeneralOpen48.Components > Relays > Low Blower RelayGeneralOpen

Exact Vehicle Hub

Browse →
1985 Oldsmobile Firenza Repair HubExact Vehicle

Open the exact vehicle hub for this wiring page to move into repair, manual, and code clusters without leaving the 1985 Oldsmobile Firenza context.

OEM Manual Evidence

Browse →
1985 Oldsmobile Firenza A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1985 Oldsmobile Firenza L4-121 2.0L Service Manual | Operation CHARM Operation CHARM : Car repair...

1985 Oldsmobile Firenza A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1985 Oldsmobile Firenza L4-112 1.8L Service Manual | Operation CHARM Operation CHARM : Car repair...

1985 Oldsmobile Firenza A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1985 Oldsmobile Firenza V6-173 2.8L Service Manual | Operation CHARM Operation CHARM : Car repair...

1985 Oldsmobile Firenza Diagnostic Trouble CodesOEM Manual

Repair and Diagnosis: Diagnostic Trouble Codes — 1985 Oldsmobile Firenza L4-112 1.8L Service Manual | Operation CHARM Operation CHARM : Car...

More Firenza Wiring Pages

Starter Wiring DiagramAlternator Wiring DiagramHeadlight Wiring DiagramPower Window Wiring DiagramInstrument Cluster Wiring DiagramWiper & Washer Wiring DiagramTransmission Wiring DiagramCruise Control 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 Diagram2013 Toyota Camry A/C & Heater Wiring Diagram