Wiring Diagram Cluster

1990 Pontiac 6000 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

6000 L4-151 2.5L

Total Vehicle Diagrams

511

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.

1990 Pontiac 6000 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.Components > Miscellaneous Components > A/C Defrost Valve Vacuum ActuatorGeneralOpen3.Components > Miscellaneous Components > A/C Heater Vacuum ActuatorGeneralOpen4.Exploded Views > Compressor HVACGeneralOpen5.Components > Modules > A/C Vacuum Solenoid ModuleGeneralOpen6.Electrical Diagrams > Heating and Air Conditioning > Blower ControlsGeneralOpen7.Electrical Diagrams > Heating and Air Conditioning > Compressor Controls > Part 1 of 2GeneralOpen8.Electrical Diagrams > Heating and Air Conditioning > Compressor Controls > Part 2 of 2GeneralOpen9.Electrical Diagrams > Heating and Air Conditioning > HeaterGeneralOpen10.Antilock Brakes / Traction Control Systems β€” Diagnostic Aids > Pull-to-Seat ConnectorsBrakes and Traction ControlOpen11.Antilock Brakes / Traction Control Systems β€” Diagnostic Aids > Push-to-Seat ConnectorsBrakes and Traction ControlOpen12.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Cell ReferencesBrakes and Traction ControlOpen13.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Schematic SymbolsBrakes and Traction ControlOpen14.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Symbol IdentificationBrakes and Traction ControlOpen15.Antilock Brakes / Traction Control Systems β€” Diagram Information and Instructions > Wire Color Code IdentificationBrakes and Traction ControlOpen16.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Circuit LocationBrakes and Traction ControlOpen17.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > System Wiring Diagrams > Part 1 of 2Brakes and Traction ControlOpen18.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > System Wiring Diagrams > Part 2 of 2Brakes and Traction ControlOpen19.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Wiring SchematicBrakes and Traction ControlOpen20.Electrical Diagrams > Blower ControlsHeating and Air ConditioningOpen21.Electrical Diagrams > Compressor Controls > Part 1 of 2Heating and Air ConditioningOpen22.Electrical Diagrams > Compressor Controls > Part 2 of 2Heating and Air ConditioningOpen23.Electrical Diagrams > HeaterHeating and Air ConditioningOpen24.Radio, Stereo, and Compact Disc β€” Diagnostic Aids > Pull-to-Seat ConnectorsAccessories and Optional EquipmentOpen25.Radio, Stereo, and Compact Disc β€” Diagnostic Aids > Push-to-Seat ConnectorsAccessories and Optional EquipmentOpen26.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Cell ReferencesAccessories and Optional EquipmentOpen27.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Schematic SymbolsAccessories and Optional EquipmentOpen28.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Symbol IdentificationAccessories and Optional EquipmentOpen29.Radio, Stereo, and Compact Disc β€” Diagram Information and Instructions > Wire Color Code IdentificationAccessories and Optional EquipmentOpen30.Radio, Stereo, and Compact Disc β€” Electrical DiagramsAccessories and Optional EquipmentOpen31.Backup Lamp β€” Diagnostic Aids > Pull-to-Seat ConnectorsLighting and HornsOpen32.Backup Lamp β€” Diagnostic Aids > Push-to-Seat ConnectorsLighting and HornsOpen33.Backup Lamp β€” Diagram Information and Instructions > Cell ReferencesLighting and HornsOpen34.Backup Lamp β€” Diagram Information and Instructions > Schematic SymbolsLighting and HornsOpen35.Backup Lamp β€” Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen36.Backup Lamp β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen37.Backup Lamp β€” Electrical DiagramsLighting and HornsOpen38.Components > Miscellaneous Components > Blower ResistorsGeneralOpen39.Components > Miscellaneous Components > Electronic Level Control CompressorGeneralOpen40.Components > Miscellaneous Components > Expansion Tube, A/CGeneralOpen41.Components > Miscellaneous Components > Outside Air Valve Vacuum ActuatorGeneralOpen42.Components > Miscellaneous Components > Recirculating/Outside Air Vacuum ActuatorGeneralOpen43.Components > Miscellaneous Components > Vacuum TankGeneralOpen44.Components > Motors > Blower MotorGeneralOpen45.Components > Switches > A/C High Pressure Cut-Out SwitchGeneralOpen46.Components > Switches > A/C Low Pressure Cut-Out SwitchGeneralOpen47.Components > Switches > Back-Up Light SwitchGeneralOpen48.Electrical Diagrams > Antilock Brakes / Traction Control Systems > ABS LightGeneralOpen