Wiring Diagram Cluster

1986 Pontiac Grand AM 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

Grand AM L4-151 2.5L

Total Vehicle Diagrams

361

From Diagram To Fix

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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 Grand AM 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 > Compressor Control Wiring Diagram > Part 1 of 2GeneralOpen2.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > Compressor Control Wiring Diagram > Part 2 of 2GeneralOpen3.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > Part 1 of 2GeneralOpen4.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > Part 2 of 2GeneralOpen5.Compressor HVAC β€” Diagram Information and InstructionsHeating and Air ConditioningOpen6.Compressor HVAC β€” Electrical Diagrams > Compressor Control Wiring Diagram > Part 1 of 2Heating and Air ConditioningOpen7.Compressor HVAC β€” Electrical Diagrams > Compressor Control Wiring Diagram > Part 2 of 2Heating and Air ConditioningOpen8.Compressor HVAC β€” Electrical Diagrams > Part 1 of 2Heating and Air ConditioningOpen9.Compressor HVAC β€” Electrical Diagrams > Part 2 of 2Heating and Air ConditioningOpen10.Compressor HVAC β€” Exploded ViewsHeating and Air ConditioningOpen11.Components > Motors > A/C Defrost Vacuum MotorGeneralOpen12.Components > Motors > A/C Heater Vacuum MotorGeneralOpen13.Exploded Views > Compressor HVACGeneralOpen14.Components > Miscellaneous Components > A/C Compressor ClutchGeneralOpen15.Components > Miscellaneous Components > Blower Resistors > Less A/CGeneralOpen16.Components > Miscellaneous Components > Blower Resistors > With A/CGeneralOpen17.Components > Motors > Blower Motor > With A/CGeneralOpen18.Components > Motors > Blower Motor > Without A/CGeneralOpen19.Components > Relays > A/C Compressor Control RelayGeneralOpen20.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > With Air Conditioning > Part 1 of 2GeneralOpen21.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > With Air Conditioning > Part 2 of 2GeneralOpen22.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > Without Air ConditioningGeneralOpen23.Vacuum and Vapor Hose Diagrams > Heating and Air ConditioningGeneralOpen24.Vacuum and Vapor Hose DiagramsHeating and Air ConditioningOpen25.Backup Lamp β€” Diagram Information and InstructionsLighting and HornsOpen26.Backup Lamp β€” Electrical DiagramsLighting and HornsOpen27.Components > Miscellaneous Components > Electronic Vacuum Regulator ValveGeneralOpen28.Components > Miscellaneous Components > Tachometer FilterGeneralOpen29.Components > Miscellaneous Components > Vacuum TankGeneralOpen30.Components > Motors > Recirculating Outside Air Vacuum MotorGeneralOpen31.Components > Relays > A/C Coolant Fan RelayGeneralOpen32.Components > Relays > A/C Cut-Out RelayGeneralOpen33.Components > Relays > Blower RelayGeneralOpen34.Components > Switches > A/C High Pressure Cut-Out SwitchGeneralOpen35.Components > Switches > A/C High Pressure SwitchGeneralOpen36.Components > Switches > Back-Up Lights SwitchGeneralOpen37.Components > Switches > Blower SwitchGeneralOpen38.Electrical Diagrams > Electronic/Powertrain Control Module (ECM/PCM) > Black Connector (VIN R, U)Powertrain ManagementOpen39.Electrical Diagrams > Heating and Air Conditioning > System DiagramGeneralOpen40.Electrical Diagrams > Lighting and Horns > Backup LampGeneralOpen41.Electrical Diagrams > Powertrain Management > System Diagram > Electronic/Powertrain Control Module (ECM/PCM) > Black Connector (VIN R, U)GeneralOpen42.Emission Control Systems β€” Vacuum and Vapor Hose DiagramsPowertrain ManagementOpen43.Vacuum and Vapor Hose Diagrams > Cruise Control > Part 1 of 2GeneralOpen44.Vacuum and Vapor Hose Diagrams > Cruise Control > Part 2 of 2GeneralOpen45.Vacuum and Vapor Hose Diagrams > Emission Control SystemsGeneralOpen46.Vacuum and Vapor Hose Diagrams > Part 1 of 2Cruise ControlOpen47.Vacuum and Vapor Hose Diagrams > Part 2 of 2Cruise ControlOpen48.Antenna β€” Diagram Information and InstructionsAccessories and Optional EquipmentOpen