Wiring Diagram Cluster

1998 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 V6-191 3.1L VIN M SFI

Total Vehicle Diagrams

3043

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 1998 Pontiac Grand Prix hub with repairs, specs, codes, and other systems already tied to this car.

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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 > Blower Motor Relay > HVAC System - AutomaticGeneralOpen2.Electrical Diagrams > Heating and Air Conditioning > Blower Motor Relay > HVAC System - ManualGeneralOpen3.Compressor HVAC β€” DiagramHeating and Air ConditioningOpen4.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > Automatic Climate ControlsGeneralOpen5.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > Manual Climate ControlsGeneralOpen6.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Air Delivery and Temperature Controls > Automatic > Heater A/C ControlGeneralOpen7.Exploded Views > Compressor HVACGeneralOpen8.Electrical Diagrams > Air Delivery and Temperature Controls > Automatic > Heater A/C ControlHeating and Air ConditioningOpen9.Components > Miscellaneous Components > A/C AccumulatorGeneralOpen10.Components > Miscellaneous Components > A/C Compressor Clutch CoilGeneralOpen11.Components > Miscellaneous Components > Heater-A/C Control > AutomaticGeneralOpen12.Components > Miscellaneous Components > Heater-A/C Control > ManualGeneralOpen13.Components > Modules > Heater-A/C ModuleGeneralOpen14.Connector Views > Air Door Actuator / Motor, HVAC > Electric Actuator > LH > AutomaticGeneralOpen15.Connector Views > Air Door Actuator / Motor, HVAC > Electric Actuator > LH > ManualGeneralOpen16.Connector Views > Air Door Actuator / Motor, HVAC > Electric Actuator > RHGeneralOpen17.Connector Views > Air Door Actuator / Motor, HVAC > Vacuum/Electric SolenoidGeneralOpen18.Connector Views > Control Assembly, HVAC > AutomaticGeneralOpen19.Connector Views > Control Assembly, HVAC > Manual > C1GeneralOpen20.Connector Views > Control Assembly, HVAC > Manual > C2GeneralOpen21.Connector Views > Control Assembly, HVAC > Manual > C3GeneralOpen22.Connector Views > Control Module HVACGeneralOpen23.Electrical Diagrams > Fuses > DIC/HVAC, HVAC CTRL And PWR Drop FusesPower and Ground DistributionOpen24.Electrical Diagrams > Fuses > HVAC HI, PWR MIR, HAZ, RAP, R DEFOG, H Seat/LUM & PWR LK FusesPower and Ground DistributionOpen25.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Air Delivery and Temperature Controls > Automatic > Electric ActuatorsGeneralOpen26.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Air Delivery and Temperature Controls > Automatic > Vacuum Electric SolenoidGeneralOpen27.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Blower Controls > AutomaticGeneralOpen28.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Blower Controls > ManualGeneralOpen29.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Compressor Controls > AutomaticGeneralOpen30.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Compressor Controls > ManualGeneralOpen31.Electrical Diagrams > HVAC ControlsPowertrain ManagementOpen32.Electrical Diagrams > Interior Lamps Dimming > Door LK SW, WDO SW, Heater & A/C Control, Trip Calculator & ICLighting and HornsOpen33.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lamps Dimming > Door LK SW, WDO SW, Heater & A/C Control, Trip Calculator & ICGeneralOpen34.Electrical Diagrams > Powertrain Management > System Diagram > HVAC ControlsGeneralOpen35.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuses > DIC/HVAC, HVAC CTRL And PWR Drop FusesGeneralOpen36.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuses > HVAC HI, PWR MIR, HAZ, RAP, R DEFOG, H Seat/LUM & PWR LK FusesGeneralOpen37.Harness > Engine Harness Routing Views > A/C CompressorGeneralOpen38.Power and Ground Distribution β€” Electrical Diagrams > Fuses > DIC/HVAC, HVAC CTRL And PWR Drop FusesStarting and ChargingOpen39.Power and Ground Distribution β€” Electrical Diagrams > Fuses > HVAC HI, PWR MIR, HAZ, RAP, R DEFOG, H Seat/LUM & PWR LK FusesStarting and ChargingOpen40.Vacuum and Vapor Hose Diagrams > Heating and Air ConditioningGeneralOpen41.Accessory Delay Module β€” Diagnostic Aids > General Troubleshooting Procedures > Additional InformationAccessories and Optional EquipmentOpen42.Accessory Delay Module β€” Diagnostic Aids > General Troubleshooting Procedures > Basic Knowledge RequiredAccessories and Optional EquipmentOpen43.Accessory Delay Module β€” Diagnostic Aids > General Troubleshooting Procedures > Checking Terminal ContactsAccessories and Optional EquipmentOpen44.Accessory Delay Module β€” Diagnostic Aids > General Troubleshooting Procedures > Detecting Electrical IntermittentsAccessories and Optional EquipmentOpen45.Accessory Delay Module β€” Diagnostic Aids > General Troubleshooting Procedures > Intermittents and Poor ConnectionsAccessories and Optional EquipmentOpen46.Accessory Delay Module β€” Diagnostic Aids > General Troubleshooting Procedures > Meter ConnectionsAccessories and Optional EquipmentOpen47.Accessory Delay Module β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tests > Aftermarket AccessoriesAccessories and Optional EquipmentOpen48.Accessory Delay Module β€” Diagnostic Aids > General Troubleshooting Procedures > Troubleshooting Tests > Probing (Frontprobe & Backprobe)Accessories and Optional EquipmentOpen