Wiring Diagram Cluster

1986 Pontiac Fiero 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

Fiero L4-151 2.5L

Total Vehicle Diagrams

299

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 Fiero 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.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > A/C Wiring Circuit (Compressor Control) > Part 1 of 2GeneralOpen2.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > A/C Wiring Circuit (Compressor Control) > Part 2 of 2GeneralOpen3.Compressor HVAC β€” Electrical Diagrams > A/C Wiring Circuit (Compressor Control) > Part 1 of 2Heating and Air ConditioningOpen4.Compressor HVAC β€” Electrical Diagrams > A/C Wiring Circuit (Compressor Control) > Part 2 of 2Heating and Air ConditioningOpen5.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > (Part 1 of 2)GeneralOpen6.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > (Part 2 of 2)GeneralOpen7.Compressor HVAC β€” Diagram Information and InstructionsHeating and Air ConditioningOpen8.Compressor HVAC β€” Electrical Diagrams > (Part 1 of 2)Heating and Air ConditioningOpen9.Compressor HVAC β€” Electrical Diagrams > (Part 2 of 2)Heating and Air ConditioningOpen10.Compressor HVAC β€” Exploded ViewsHeating and Air ConditioningOpen11.Electrical Diagrams > Heating and Air Conditioning > Air Door Actuator / Motor, HVACGeneralOpen12.Exploded Views > Compressor HVACGeneralOpen13.Components > Miscellaneous Components > A/C Compressor ClutchGeneralOpen14.Components > Miscellaneous Components > A/C Compressor Clutch DiodeGeneralOpen15.Components > Relays > A/C Compressor Control RelayGeneralOpen16.Components > Relays > A/C Compressor RelayGeneralOpen17.Electrical Diagrams > Heating and Air Conditioning > Blower MotorGeneralOpen18.Electrical Diagrams > Heating and Air Conditioning > System Diagram > A/C Wiring DiagramGeneralOpen19.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater Control Wiring CircuitGeneralOpen20.Electrical Diagrams > A/C Wiring DiagramHeating and Air ConditioningOpen21.Electrical Diagrams > Heater Control Wiring CircuitHeating and Air ConditioningOpen22.Radio, Stereo, and Compact Disc β€” Diagram Information and InstructionsAccessories and Optional EquipmentOpen23.Radio, Stereo, and Compact Disc β€” Electrical DiagramsAccessories and Optional EquipmentOpen24.Backup Lamp β€” Diagram Information and InstructionsLighting and HornsOpen25.Backup Lamp β€” Electrical DiagramsLighting and HornsOpen26.Components > Miscellaneous Components > ActuatorGeneralOpen27.Components > Miscellaneous Components > Blower ResistorsGeneralOpen28.Components > Miscellaneous Components > Electronic Vacuum Regulator ValveGeneralOpen29.Components > Miscellaneous Components > Mode Door ActuatorGeneralOpen30.Components > Miscellaneous Components > Outside Air Recirculation Door ActuatorGeneralOpen31.Components > Miscellaneous Components > Tachometer FilterGeneralOpen32.Components > Motors > Blower MotorGeneralOpen33.Components > Motors > Blower Motor FeedGeneralOpen34.Components > Motors > Engine Blower MotorGeneralOpen35.Components > Relays > A/C Power RelayGeneralOpen36.Components > Relays > Actuator RelayGeneralOpen37.Components > Relays > Engine Blower RelayGeneralOpen38.Components > Relays > High Speed Blower RelayGeneralOpen39.Components > Relays > Relay to Actuator JumperGeneralOpen40.Components > Sensors > Manifold Pressure/Vacuum SensorGeneralOpen41.Components > Solenoids > Vacuum Release SolenoidGeneralOpen42.Components > Switches > A/C High Pressure SwitchGeneralOpen43.Components > Switches > A/C Low Pressure SwitchGeneralOpen44.Components > Switches > Back-Up Lights SwitchGeneralOpen45.Electrical Diagrams > Electronic/Powertrain Control Module (ECM/PCM) > Black Connector (VIN R, U)Powertrain ManagementOpen46.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen47.Electrical Diagrams > Powertrain Controls > Ignition, Service Engine Soon Lamp & TachometerPowertrain ManagementOpen48.Electrical Diagrams > Powertrain Management > System Diagram > Electronic/Powertrain Control Module (ECM/PCM) > Black Connector (VIN R, U)GeneralOpen