Wiring Diagram Cluster
1988 Pontiac Grand Prix 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 Prix V6-173 2.8L
Total Vehicle Diagrams
417
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 1988 Pontiac Grand Prix 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.
1988 Pontiac Grand Prix 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 > Air Door Actuator / Motor, HVAC > A/C Air Delivery and Temperature ControlsGeneralOpen2.Electrical Diagrams > Heating and Air Conditioning > Air Door Actuator / Motor, HVAC > Heater Air Delivery and Temperature ControlsGeneralOpen3.Electrical Diagrams > Heating and Air Conditioning > Compressor HVACGeneralOpen4.Compressor HVAC — Diagram Information and InstructionsHeating and Air ConditioningOpen5.Compressor HVAC — Electrical DiagramsHeating and Air ConditioningOpen6.Compressor HVAC — Exploded ViewsHeating and Air ConditioningOpen7.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > A/C Blower ControlsGeneralOpen8.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > Heater Blower ControlsGeneralOpen9.Electrical Diagrams > Heating and Air Conditioning > Control Assembly, HVACGeneralOpen10.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater > Blower ControlsGeneralOpen11.Exploded Views > Compressor HVACGeneralOpen12.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > Air Door Actuator / Motor, HVACGeneralOpen13.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > System Diagram > A/C Air Delivery and Temperature ControlsGeneralOpen14.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > System Diagram > Heater Air Delivery and Temperature ControlsGeneralOpen15.Electrical Diagrams > Heater > Blower ControlsHeating and Air ConditioningOpen16.Vacuum and Vapor Hose Diagrams > A/C Air Delivery and Temperature ControlsHeating and Air ConditioningOpen17.Vacuum and Vapor Hose Diagrams > Heater Air Delivery and Temperature ControlsHeating and Air ConditioningOpen18.Components > Miscellaneous Components > A/C CompressorGeneralOpen19.Components > Miscellaneous Components > A/C Compressor ClutchGeneralOpen20.Components > Relays > A/C Compressor RelayGeneralOpen21.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Blower ControlsGeneralOpen22.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Compressor ControlsGeneralOpen23.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater > Air Delivery and Temperature ControlsGeneralOpen24.Electrical Diagrams > Blower ControlsHeating and Air ConditioningOpen25.Electrical Diagrams > Compressor ControlsHeating and Air ConditioningOpen26.Electrical Diagrams > Heater > Air Delivery and Temperature ControlsHeating and Air ConditioningOpen27.Radio, Stereo, and Compact Disc — Diagram Information and InstructionsAccessories and Optional EquipmentOpen28.Radio, Stereo, and Compact Disc — Electrical Diagrams > Part 1 of 5 (W/Digital Clock)Accessories and Optional EquipmentOpen29.Radio, Stereo, and Compact Disc — Electrical Diagrams > Part 2 of 5 (W/Cassette & Digital)Accessories and Optional EquipmentOpen30.Radio, Stereo, and Compact Disc — Electrical Diagrams > Part 3 of 5 (W/Cassette/Equalizer & Digital Clock)Accessories and Optional EquipmentOpen31.Radio, Stereo, and Compact Disc — Electrical Diagrams > Part 4 of 5 (W/Four Speaker Option)Accessories and Optional EquipmentOpen32.Radio, Stereo, and Compact Disc — Electrical Diagrams > Part 5 of 5 (W/Six Speaker Option)Accessories and Optional EquipmentOpen33.Automatic Transmission/Transaxle — Exploded Views > 440-T4, (4T60/4T60-E) Automatic Transaxle > Accumulator Cover & Governor PipesTransmission and DrivetrainOpen34.Automatic Transmission/Transaxle — Exploded Views > 440-T4, (4T60/4T60-E) Automatic Transaxle > Input & Reaction CarriersTransmission and DrivetrainOpen35.Backup Lamp — Diagram Information and InstructionsLighting and HornsOpen36.Backup Lamp — Electrical DiagramsLighting and HornsOpen37.Components > Miscellaneous Components > A/C Clutch DiodeGeneralOpen38.Components > Miscellaneous Components > BI-Level Valve Vacuum ActuatorGeneralOpen39.Components > Miscellaneous Components > Blower ResistorsGeneralOpen40.Components > Miscellaneous Components > Electronic Vacuum Regulator ValveGeneralOpen41.Components > Miscellaneous Components > Vacuum Release ValveGeneralOpen42.Components > Motors > Blower MotorGeneralOpen43.Components > Motors > Idle Air Control (IAC) MotorGeneralOpen44.Components > Solenoids > Seat Belt Lap Retractor SolenoidGeneralOpen45.Components > Solenoids > Seat Belt Shoulder Retractor SolenoidGeneralOpen46.Components > Switches > A/C High Pressure SwitchGeneralOpen47.Components > Switches > A/C Intermediate Pressure SwitchGeneralOpen48.Components > Switches > A/C Pressure Fan SwitchGeneralOpen
Exact Vehicle Hub
Browse →OEM Manual Evidence
Browse →1988 Pontiac Grand Prix A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1988 Pontiac Grand Prix V6-173 2.8L Service Manual | Operation CHARM Operation CHARM : Car repair...
1988 Pontiac Grand Prix Diagnostic Trouble CodesOEM Manual
Repair and Diagnosis: Diagnostic Trouble Codes — 1988 Pontiac Grand Prix V6-173 2.8L Service Manual | Operation CHARM Operation CHARM : Car...
1988 Pontiac Grand Prix How to Find Technical Service Bulletins by Category/SymptomOEM Manual
How to Find Technical Service Bulletins by Category/Symptom — 1988 Pontiac Grand Prix V6-173 2.8L Service Manual | Operation CHARM Operatio...
1988 Pontiac Grand Prix A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1988 Pontiac Grand AM L4-121 2.0L Service Manual | Operation CHARM Operation CHARM : Car repair ma...
More Grand Prix 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
1990 Toyota Supra A/C & Heater Wiring Diagram1993 Toyota Camry Sedan A/C & Heater Wiring Diagram1993 Toyota Camry Wagon A/C & Heater Wiring Diagram1990 Honda Prelude A/C & Heater Wiring Diagram1994 Toyota Camry Sedan 2-Door A/C & Heater Wiring Diagram1994 Toyota Camry Sedan 4-Door A/C & Heater Wiring Diagram1994 Toyota Celica A/C & Heater Wiring Diagram1995 Toyota Camry Coupe 2-Door A/C & Heater Wiring Diagram