Wiring Diagram Cluster
1987 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 L4-121 2.0L
Total Vehicle Diagrams
443
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
Step out of raw diagrams and into the full 1987 Pontiac Grand AM hub with repairs, specs, codes, and other systems already tied to this car.
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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.
1987 Pontiac Grand AM A L L Diagnostic Trouble Codes ( DTC ) →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 →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 — Diagram Information and InstructionsHeating and Air ConditioningOpen6.Compressor HVAC — Electrical Diagrams > Compressor Control Wiring Diagram > Part 1 of 2Heating and Air ConditioningOpen7.Compressor HVAC — Electrical Diagrams > Compressor Control Wiring Diagram > Part 2 of 2Heating and Air ConditioningOpen8.Compressor HVAC — Electrical Diagrams > Part 1 of 2Heating and Air ConditioningOpen9.Compressor HVAC — Electrical Diagrams > Part 2 of 2Heating and Air ConditioningOpen10.Components > Miscellaneous Components > A/C Defrost Valve Vacuum ActuatorGeneralOpen11.Components > Miscellaneous Components > A/C Heater Valve Vacuum ActuatorGeneralOpen12.Components > Miscellaneous Components > A/C Compressor ClutchGeneralOpen13.Components > Miscellaneous Components > A/C Compressor Clutch DiodeGeneralOpen14.Components > Relays > A/C Compressor Control RelayGeneralOpen15.Components > Relays > A/C Compressor RelayGeneralOpen16.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > With Air Conditioning > Part 1 of 2GeneralOpen17.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > With Air Conditioning > Part 2 of 2GeneralOpen18.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > Without Air ConditioningGeneralOpen19.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > PWR ACC, PWR WDO Circuit Breaker, ERLS & H-A/C FuseGeneralOpen20.Vacuum and Vapor Hose Diagrams > Heating and Air ConditioningGeneralOpen21.Radio, Stereo, and Compact Disc — Diagram Information and InstructionsAccessories and Optional EquipmentOpen22.Radio, Stereo, and Compact Disc — Electrical Diagrams > Less Audio AmplifierAccessories and Optional EquipmentOpen23.Radio, Stereo, and Compact Disc — Electrical Diagrams > With Audio AmplifierAccessories and Optional EquipmentOpen24.Vacuum and Vapor Hose DiagramsHeating and Air ConditioningOpen25.Backup Lamp — Diagram Information and InstructionsLighting and HornsOpen26.Backup Lamp — Electrical DiagramsLighting and HornsOpen27.Components > Miscellaneous Components > Blower ResistorGeneralOpen28.Components > Miscellaneous Components > Electronic Vacuum Regulator ValveGeneralOpen29.Components > Miscellaneous Components > Outside Air Valve Vacuum ActuatorGeneralOpen30.Components > Miscellaneous Components > Tachometer FilterGeneralOpen31.Components > Miscellaneous Components > Vacuum TankGeneralOpen32.Components > Motors > Blower MotorGeneralOpen33.Components > Relays > A/C Cut-Out RelayGeneralOpen34.Components > Relays > High Blower RelayGeneralOpen35.Components > Solenoids > Seat Belt Lap Retractor SolenoidGeneralOpen36.Components > Solenoids > Seatbelt Shoulder Retractor SolenoidsGeneralOpen37.Components > Switches > A/C Dual Pressure SwitchGeneralOpen38.Components > Switches > A/C High Pressure Cut-Out SwitchGeneralOpen39.Components > Switches > A/C Pressure Cycling SwitchGeneralOpen40.Components > Switches > Back-Up Lights SwitchGeneralOpen41.Components > Switches > Blower SwitchGeneralOpen42.Components > Switches > Seatbelt Retractor SwitchesGeneralOpen43.Electrical Diagrams > Backup LampGeneralOpen44.Electrical Diagrams > Heating and Air Conditioning > System DiagramGeneralOpen45.Electrical Diagrams > Injector, Electronic Vacuum Regulator ValvePowertrain ManagementOpen46.Electrical Diagrams > Instrument Panel > With Digital Cluster > Digital Cluster Indentification AC-AY PodInstrument Panel, Gauges and Warning IndicatorsOpen47.Electrical Diagrams > Instrument Panel > With Digital Cluster > With AC Pod > GaugesInstrument Panel, Gauges and Warning IndicatorsOpen48.Electrical Diagrams > Instrument Panel > With Digital Cluster > With AC Pod > IndicatorsInstrument Panel, Gauges and Warning IndicatorsOpen
Exact Vehicle Hub
Browse →OEM Manual Evidence
Browse →1987 Pontiac Grand AM A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1987 Pontiac Grand AM L4-121 2.0L Service Manual | Operation CHARM Operation CHARM : Car repair ma...
1987 Pontiac Grand AM A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1987 Pontiac Grand AM L4-151 2.5L Service Manual | Operation CHARM Operation CHARM : Car repair ma...
1987 Pontiac Grand AM A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1987 Pontiac Grand AM V6-181 3.0L Service Manual | Operation CHARM Operation CHARM : Car repair ma...
1987 Pontiac Grand AM Diagnostic Trouble CodesOEM Manual
Repair and Diagnosis: Diagnostic Trouble Codes — 1987 Pontiac Grand AM L4-121 2.0L Service Manual | Operation CHARM Operation CHARM : Car r...
More Grand AM Wiring Pages
Starter Wiring DiagramAlternator Wiring DiagramHeadlight Wiring DiagramPower Window Wiring DiagramInstrument Cluster Wiring DiagramWiper & Washer Wiring DiagramTransmission Wiring DiagramCruise Control Wiring DiagramAirbag SRS Wiring DiagramEngine Management Wiring DiagramBody Electrical Wiring Diagram
Same System, Other Vehicles
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