Wiring Diagram Cluster

1988 Cadillac Seville 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

Seville V8-273 4.5L

Total Vehicle Diagrams

513

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.

1988 Cadillac Seville 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 HVACGeneralOpen2.Compressor HVAC β€” Diagram Information and InstructionsHeating and Air ConditioningOpen3.Compressor HVAC β€” Electrical DiagramsHeating and Air ConditioningOpen4.Exploded Views > Heating and Air Conditioning > Fuse HVACGeneralOpen5.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > Air Door Actuator / Motor, HVACGeneralOpen6.Components > Miscellaneous Components > Aspirator, HVACGeneralOpen7.Components > Miscellaneous Components > Defrost Valve Vacuum ActuatorGeneralOpen8.Components > Miscellaneous Components > Heater & A/C ProgrammerGeneralOpen9.Electrical Diagrams > Starting and Charging > Power and Ground Distribution > Fuse > Fuse 9 - HVACGeneralOpen10.Exploded Views > Heating and Air Conditioning > System Diagram > A/C Line RoutingsGeneralOpen11.Exploded Views > Heating and Air Conditioning > System Diagram > Heater AirflowGeneralOpen12.Mechanical Diagrams > Heating and Air Conditioning > Heater HoseGeneralOpen13.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > System DiagramGeneralOpen14.Accessory Delay Module β€” Diagram Information and InstructionsAccessories and Optional EquipmentOpen15.Accessory Delay Module β€” Electrical DiagramsAccessories and Optional EquipmentOpen16.Antilock Brakes / Traction Control Systems β€” Diagram Information and InstructionsBrakes and Traction ControlOpen17.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Part 1 of 4Brakes and Traction ControlOpen18.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Part 2 of 4Brakes and Traction ControlOpen19.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Part 3 of 4Brakes and Traction ControlOpen20.Antilock Brakes / Traction Control Systems β€” Electrical Diagrams > Part 4 of 4Brakes and Traction ControlOpen21.Exploded Views > A/C Line RoutingsHeating and Air ConditioningOpen22.Exploded Views > Heater AirflowHeating and Air ConditioningOpen23.Radio, Stereo, and Compact Disc β€” Diagram Information and InstructionsAccessories and Optional EquipmentOpen24.Radio, Stereo, and Compact Disc β€” Electrical Diagrams > Delco-Bose System > Less Cellular TelephoneAccessories and Optional EquipmentOpen25.Radio, Stereo, and Compact Disc β€” Electrical Diagrams > Delco-Bose System > With Cellular TelephoneAccessories and Optional EquipmentOpen26.Radio, Stereo, and Compact Disc β€” Electrical Diagrams > ETR (Less Cellular Telephone)Accessories and Optional EquipmentOpen27.Radio, Stereo, and Compact Disc β€” Electrical Diagrams > ETR (W/Cellular Telephone)Accessories and Optional EquipmentOpen28.Relays and Modules - Accessories and Optional Equipment > Accessory Delay Module β€” Diagram Information and InstructionsAccessories and Optional EquipmentOpen29.Relays and Modules - Accessories and Optional Equipment > Accessory Delay Module β€” Electrical DiagramsAccessories and Optional EquipmentOpen30.Vacuum and Vapor Hose DiagramsHeating and Air ConditioningOpen31.Automatic Transmission/Transaxle β€” Exploded Views > Accumulator Cover & Governor PipesTransmission and DrivetrainOpen32.Automatic Transmission/Transaxle β€” Exploded Views > Input & Reaction CarriersTransmission and DrivetrainOpen33.Backup Lamp β€” Diagram Information and InstructionsLighting and HornsOpen34.Backup Lamp β€” Electrical DiagramsLighting and HornsOpen35.Components > Miscellaneous Components > A/C Clutch DiodeGeneralOpen36.Components > Miscellaneous Components > Air Inlet Valve Vacuum ActuatorGeneralOpen37.Components > Miscellaneous Components > Astro Roof Actuator AssemblyGeneralOpen38.Components > Miscellaneous Components > Seat Lumbar CompressorGeneralOpen39.Components > Miscellaneous Components > Up-Down Valve Vacuum ActuatorGeneralOpen40.Components > Miscellaneous Components > Vacuum Delay Porous PlugGeneralOpen41.Components > Miscellaneous Components > Vacuum Release ValveGeneralOpen42.Components > Motors > Blower MotorGeneralOpen43.Components > Motors > Idle Air Control (IAC) MotorGeneralOpen44.Components > Sensors > A/C High Side Temperature SensorGeneralOpen45.Components > Sensors > A/C Low Side Temperature SensorGeneralOpen46.Components > Switches > Stop Light Switch CapacitorGeneralOpen47.Connector Views > Instrument Panel, Gauges and Warning Indicators > IPC Interface DiagramGeneralOpen48.Connector Views > Instrument Panel, Gauges and Warning Indicators > Right and Left Switch Pod (RSP/LSP) Interface DiagramGeneralOpen