Wiring Diagram Cluster

1986 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 L4-151 2.5L

Total Vehicle Diagrams

415

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

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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.

1986 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.Compressor HVAC β€” DiagramHeating and Air ConditioningOpen2.Electrical Diagrams > With Air Conditioning > With Electronic A/C > Blower ControlsHeating and Air ConditioningOpen3.Electrical Diagrams > With Air Conditioning > With Manual A/C > Blower ControlsHeating and Air ConditioningOpen4.Electrical Diagrams > With Air Conditioning > With Manual A/C > Compressor ControlsHeating and Air ConditioningOpen5.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > W/Electronic A/C (Part 1 of 2)GeneralOpen6.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > W/Electronic A/C (Part 2 of 2)GeneralOpen7.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > W/Manual A/C (Part 1 of 2)GeneralOpen8.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > W/Manual A/C (Part 2 of 2)GeneralOpen9.Electrical Diagrams > Heating and Air Conditioning > System Diagram > With Air Conditioning > With Electronic A/C > Blower ControlsGeneralOpen10.Electrical Diagrams > Heating and Air Conditioning > System Diagram > With Air Conditioning > With Manual A/C > Blower ControlsGeneralOpen11.Electrical Diagrams > Heating and Air Conditioning > System Diagram > With Air Conditioning > With Manual A/C > Compressor ControlsGeneralOpen12.Exploded Views > Compressor HVACGeneralOpen13.Electrical Diagrams > With Air Conditioning > With Electronic A/C > Air Delivery and Temperature ControlsHeating and Air ConditioningOpen14.Components > Miscellaneous Components > A/C Compressor ClutchGeneralOpen15.Components > Miscellaneous Components > A/C Compressor Clutch DiodeGeneralOpen16.Components > Miscellaneous Components > Blower Resistor > Less A/CGeneralOpen17.Components > Miscellaneous Components > Blower Resistor > Manual A/CGeneralOpen18.Components > Modules > A/C Vacuum Solenoid ModuleGeneralOpen19.Components > Motors > Heat-Defrost Vacuum MotorGeneralOpen20.Components > Relays > A/C Compressor Control RelayGeneralOpen21.Electrical Diagrams > Heating and Air Conditioning > System Diagram > With Air Conditioning > With Electronic A/C > Air Delivery and Temperature ControlsGeneralOpen22.Vacuum and Vapor Hose Diagrams > Heating and Air ConditioningGeneralOpen23.Electrical Diagrams > Without Air ConditioningHeating and Air ConditioningOpen24.Radio, Stereo, and Compact Disc β€” Diagram Information and InstructionsAccessories and Optional EquipmentOpen25.Radio, Stereo, and Compact Disc β€” Electrical Diagrams > Less Subwoofer AmplifierAccessories and Optional EquipmentOpen26.Radio, Stereo, and Compact Disc β€” Electrical Diagrams > With Subwoofer AmplifierAccessories and Optional EquipmentOpen27.Vacuum and Vapor Hose DiagramsHeating and Air ConditioningOpen28.Backup Lamp β€” Diagram Information and InstructionsLighting and HornsOpen29.Backup Lamp β€” Electrical Diagrams > Exc. SE & Trans AmLighting and HornsOpen30.Backup Lamp β€” Electrical Diagrams > SE & Trans AmLighting and HornsOpen31.Components > Miscellaneous Components > AccumulatorGeneralOpen32.Components > Miscellaneous Components > Actuator > LH HeadlampGeneralOpen33.Components > Miscellaneous Components > Actuator > RH HeadlampGeneralOpen34.Components > Miscellaneous Components > Choke HeaterGeneralOpen35.Components > Miscellaneous Components > Electronic Vacuum Regulator ValveGeneralOpen36.Components > Miscellaneous Components > Expansion Tube, A/CGeneralOpen37.Components > Miscellaneous Components > Radio CapacitorGeneralOpen38.Components > Miscellaneous Components > Vacuum Release ValveGeneralOpen39.Components > Miscellaneous Components > Vacuum Tank > Less Cruise ControlGeneralOpen40.Components > Miscellaneous Components > Vacuum Tank > With Cruise ControlGeneralOpen41.Components > Modules > Vacuum Solenoid ModuleGeneralOpen42.Components > Motors > A/C Temperature Door MotorGeneralOpen43.Components > Motors > Air Inlet Vacuum MotorGeneralOpen44.Components > Motors > Blower MotorGeneralOpen45.Components > Motors > Idle Air Control (IAC) MotorGeneralOpen46.Components > Motors > Lower Mode Vacuum MotorGeneralOpen47.Components > Motors > Recirculating Mode Vacuum MotorGeneralOpen48.Components > Motors > Upper Mode Vacuum MotorGeneralOpen