Wiring Diagram Cluster

1987 Oldsmobile Ninety-Eight 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

Ninety-Eight V6-231 3.8L

Total Vehicle Diagrams

583

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 Oldsmobile Ninety-Eight 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 > Compressor HVAC > With Electronic Climate ControlGeneralOpen2.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > Without Electronic Climate ControlGeneralOpen3.Compressor HVAC β€” Electrical Diagrams > With Electronic Climate ControlHeating and Air ConditioningOpen4.Compressor HVAC β€” Electrical Diagrams > Without Electronic Climate ControlHeating and Air ConditioningOpen5.Compressor HVAC β€” Diagram Information and InstructionsHeating and Air ConditioningOpen6.Components > Motors > A/C Heater Vacuum Motor BI-DirectionalGeneralOpen7.Electrical Diagrams > Heating and Air Conditioning > Air Door Actuator / Motor, HVACGeneralOpen8.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > With Electronic Climate ControlGeneralOpen9.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > Without Electronic Climate ControlGeneralOpen10.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > With Electronic Climate ControlGeneralOpen11.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > Without Electronic Climate ControlGeneralOpen12.Vacuum and Vapor Hose Diagrams > With Electronic Climate ControlHeating and Air ConditioningOpen13.Vacuum and Vapor Hose Diagrams > Without Electronic Climate ControlHeating and Air ConditioningOpen14.Components > Miscellaneous Components > Heater & A/C ProgrammerGeneralOpen15.Components > Relays > A/C Compressor Control RelayGeneralOpen16.Components > Relays > A/C Compressor RelayGeneralOpen17.Radio, Stereo, and Compact Disc β€” Diagram Information and InstructionsAccessories and Optional EquipmentOpen18.Radio, Stereo, and Compact Disc β€” Electrical Diagrams > With Delco Bose SystemAccessories and Optional EquipmentOpen19.Radio, Stereo, and Compact Disc β€” Electrical Diagrams > With Electronic TuningAccessories and Optional EquipmentOpen20.Backup Lamp β€” Diagram Information and InstructionsLighting and HornsOpen21.Backup Lamp β€” Electrical Diagrams > With Digital ClusterLighting and HornsOpen22.Backup Lamp β€” Electrical Diagrams > Without Digital ClusterLighting and HornsOpen23.Components > Miscellaneous Components > Blower ResistorsGeneralOpen24.Components > Miscellaneous Components > Compressor Clutch DiodeGeneralOpen25.Components > Miscellaneous Components > Cruise Control Vacuum Release ValveGeneralOpen26.Components > Miscellaneous Components > ELC Compressor AssemblyGeneralOpen27.Components > Miscellaneous Components > Electronic Climate ControlGeneralOpen28.Components > Miscellaneous Components > Electronic Vacuum Regulator ValveGeneralOpen29.Components > Miscellaneous Components > LH Horn CapacitorGeneralOpen30.Components > Miscellaneous Components > Lower Mode Valve Vacuum ActuatorGeneralOpen31.Components > Miscellaneous Components > Outside Air Valve Vacuum ActuatorGeneralOpen32.Components > Miscellaneous Components > Rear Defogger CapacitorGeneralOpen33.Components > Miscellaneous Components > RH Horn CapacitorGeneralOpen34.Components > Miscellaneous Components > Seat Recliner CapacitorGeneralOpen35.Components > Miscellaneous Components > Upper Mode Valve Vacuum ActuatorGeneralOpen36.Components > Miscellaneous Components > Vacuum Delay Porous PlugGeneralOpen37.Components > Miscellaneous Components > Vacuum Release ValveGeneralOpen38.Components > Motors > Blower MotorGeneralOpen39.Components > Motors > Defogger Vacuum MotorGeneralOpen40.Components > Relays > Blower Off RelayGeneralOpen41.Components > Relays > Blower RelayGeneralOpen42.Components > Relays > High Speed Blower RelayGeneralOpen43.Components > Solenoids > Seat Belt Lap Retractor SolenoidGeneralOpen44.Components > Solenoids > Seatbelt Shoulder Retractor SolenoidsGeneralOpen45.Components > Switches > A/C Dual Pressure SwitchGeneralOpen46.Components > Switches > A/C High Pressure Cut-Out SwitchGeneralOpen47.Components > Switches > A/C Pressure SwitchGeneralOpen48.Components > Switches > Seatbelt Retractor SwitchesGeneralOpen