Wiring Diagram Cluster

1985 Pontiac Grand Prix 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

Grand Prix V6-231 3.8L

Total Vehicle Diagrams

429

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 Pontiac Grand Prix hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub →
1985 Pontiac Grand Prix 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 Pontiac Grand Prix A L L Diagnostic Trouble Codes ( DTC ) →
1985 Pontiac Grand Prix A L L Diagnostic Trouble Codes ( DTC )1985 Pontiac Grand Prix Diagnostic Trouble Codes1985 Pontiac Grand Prix 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 > Part 1 of 2GeneralOpen2.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > Part 2 of 2GeneralOpen3.Electrical Diagrams > Heating and Air Conditioning > System Diagram > A/C Blower & Compressor Control Wiring Circuit > Less Electronic A/C > Part 1 of 2GeneralOpen4.Electrical Diagrams > Heating and Air Conditioning > System Diagram > A/C Blower & Compressor Control Wiring Circuit > Less Electronic A/C > Part 2 of 2GeneralOpen5.Electrical Diagrams > Heating and Air Conditioning > System Diagram > A/C Blower & Compressor Control Wiring Circuit > Part 1 of 2GeneralOpen6.Electrical Diagrams > Heating and Air Conditioning > System Diagram > A/C Blower & Compressor Control Wiring Circuit > Part 2 of 2GeneralOpen7.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > A/C Vacuum Diagram (Electronic Climate Control)GeneralOpen8.Compressor HVAC — Diagnostic AidsHeating and Air ConditioningOpen9.Compressor HVAC — Diagram Information and InstructionsHeating and Air ConditioningOpen10.Compressor HVAC — Electrical Diagrams > Part 1 of 2Heating and Air ConditioningOpen11.Compressor HVAC — Electrical Diagrams > Part 2 of 2Heating and Air ConditioningOpen12.Compressor HVAC — Exploded ViewsHeating and Air ConditioningOpen13.Electrical Diagrams > A/C Blower & Compressor Control Wiring Circuit > Less Electronic A/C > Part 1 of 2Heating and Air ConditioningOpen14.Electrical Diagrams > A/C Blower & Compressor Control Wiring Circuit > Less Electronic A/C > Part 2 of 2Heating 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.Vacuum and Vapor Hose Diagrams > A/C Vacuum Diagram (Electronic Climate Control)Heating and Air ConditioningOpen18.Components > Motors > A/C Heater Vacuum MotorGeneralOpen19.Exploded Views > Compressor HVACGeneralOpen20.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > A/C Vacuum Circuit With Electronic A/CGeneralOpen21.Vacuum and Vapor Hose Diagrams > A/C Vacuum Circuit With Electronic A/CHeating and Air ConditioningOpen22.Components > Miscellaneous Components > A/C Vacuum ValveGeneralOpen23.Components > Modules > Blower & A/C Clutch Control ModuleGeneralOpen24.Components > Motors > Heater Water Valve Vacuum MotorGeneralOpen25.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > Part 1 of 2GeneralOpen26.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > Part 2 of 2GeneralOpen27.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater Control Wiring CircuitGeneralOpen28.Electrical Diagrams > Heater Control Wiring CircuitHeating and Air ConditioningOpen29.Radio, Stereo, and Compact Disc — Diagnostic AidsAccessories and Optional EquipmentOpen30.Radio, Stereo, and Compact Disc — Diagram Information and InstructionsAccessories and Optional EquipmentOpen31.Radio, Stereo, and Compact Disc — Electrical DiagramsAccessories and Optional EquipmentOpen32.Backup Lamp — Diagnostic AidsLighting and HornsOpen33.Backup Lamp — Diagram Information and InstructionsLighting and HornsOpen34.Backup Lamp — Electrical DiagramsLighting and HornsOpen35.Components > Miscellaneous Components > Blower ResistorsGeneralOpen36.Components > Miscellaneous Components > Compressor ClutchGeneralOpen37.Components > Miscellaneous Components > Heater Control ValveGeneralOpen38.Components > Miscellaneous Components > Heater Water ValveGeneralOpen39.Components > Miscellaneous Components > Tachometer FilterGeneralOpen40.Components > Miscellaneous Components > Unchecked Vacuum SourceGeneralOpen41.Components > Miscellaneous Components > Vacuum FilterGeneralOpen42.Components > Miscellaneous Components > Vacuum Release ValveGeneralOpen43.Components > Miscellaneous Components > Vacuum TankGeneralOpen44.Components > Motors > Blower MotorGeneralOpen45.Components > Motors > Defogger Vacuum MotorGeneralOpen46.Components > Motors > Recirc/Outside Air Vacuum MotorGeneralOpen47.Components > Motors > Vacuum Actuator MotorGeneralOpen48.Components > Relays > A/C RelayGeneralOpen

Exact Vehicle Hub

Browse →
1985 Pontiac Grand Prix Repair HubExact Vehicle

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

OEM Manual Evidence

Browse →
1985 Pontiac Grand Prix A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1985 Pontiac Grand Prix V6-231 3.8L Service Manual | Operation CHARM Operation CHARM : Car repair...

1985 Pontiac Grand Prix A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1985 Pontiac Grand Prix V8-305 5.0L Service Manual | Operation CHARM Operation CHARM : Car repair...

1985 Pontiac Grand Prix Diagnostic Trouble CodesOEM Manual

Repair and Diagnosis: Diagnostic Trouble Codes — 1985 Pontiac Grand Prix V6-231 3.8L Service Manual | Operation CHARM Operation CHARM : Car...

1985 Pontiac Grand Prix Diagnostic Trouble CodesOEM Manual

Repair and Diagnosis: Diagnostic Trouble Codes — 1985 Pontiac Grand Prix V8-305 5.0L Service Manual | Operation CHARM Operation CHARM : Car...

More Grand Prix 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