Wiring Diagram Cluster
1991 Buick LeSabre 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
LeSabre V6-231 3.8L VIN C SFI
Total Vehicle Diagrams
724
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 1991 Buick LeSabre hub with repairs, specs, codes, and other systems already tied to this car.
View vehicle repair hub →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.
1991 Buick LeSabre 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.Components > Miscellaneous Components > A/C Defrost Valve Vacuum Actuator > Electronic A/CGeneralOpen2.Components > Miscellaneous Components > A/C Defrost Valve Vacuum Actuator > Manual A/CGeneralOpen3.Components > Miscellaneous Components > A/C-Defrost Valve Vacuum ActuatorGeneralOpen4.Components > Miscellaneous Components > Heater-A/C BI-Level Valve Vacuum ActuatorGeneralOpen5.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > Automatic Climate ControlsGeneralOpen6.Vacuum and Vapor Hose Diagrams > Heating and Air Conditioning > Manual Climate ControlsGeneralOpen7.Vacuum and Vapor Hose Diagrams > Automatic Climate ControlsHeating and Air ConditioningOpen8.Vacuum and Vapor Hose Diagrams > Manual Climate ControlsHeating and Air ConditioningOpen9.Components > Miscellaneous Components > A/C Compressor Clutch DiodeGeneralOpen10.Components > Miscellaneous Components > A/C Temperature Valve ActuatorGeneralOpen11.Components > Miscellaneous Components > Aspirator, HVACGeneralOpen12.Components > Miscellaneous Components > HVAC ProgrammerGeneralOpen13.Electrical Diagrams > Heating and Air Conditioning > Automatic Climate Controls > Part 1 of 2GeneralOpen14.Electrical Diagrams > Heating and Air Conditioning > Automatic Climate Controls > Part 2 of 2GeneralOpen15.Electrical Diagrams > Heating and Air Conditioning > Manual Climate Controls > Part 1 of 2GeneralOpen16.Electrical Diagrams > Heating and Air Conditioning > Manual Climate Controls > Part 2 of 2GeneralOpen17.Accessory Delay Module — Diagnostic Aids > Pull-to-Seat ConnectorsAccessories and Optional EquipmentOpen18.Accessory Delay Module — Diagnostic Aids > Push-to-Seat ConnectorsAccessories and Optional EquipmentOpen19.Accessory Delay Module — Diagram Information and Instructions > Cell ReferencesAccessories and Optional EquipmentOpen20.Accessory Delay Module — Diagram Information and Instructions > Schematic SymbolsAccessories and Optional EquipmentOpen21.Accessory Delay Module — Diagram Information and Instructions > Wire Color Code IdentificationAccessories and Optional EquipmentOpen22.Accessory Delay Module — Electrical DiagramsAccessories and Optional EquipmentOpen23.Antilock Brakes / Traction Control Systems — Connector Views > Brake Fluid Level Switch ConnectorBrakes and Traction ControlOpen24.Antilock Brakes / Traction Control Systems — Connector Views > C200Brakes and Traction ControlOpen25.Antilock Brakes / Traction Control Systems — Connector Views > C206Brakes and Traction ControlOpen26.Antilock Brakes / Traction Control Systems — Connector Views > C215Brakes and Traction ControlOpen27.Antilock Brakes / Traction Control Systems — Connector Views > Cruise/Shift Interlock/Brake Switch ConnectorBrakes and Traction ControlOpen28.Antilock Brakes / Traction Control Systems — Connector Views > Fluid Level Switch ConnectorBrakes and Traction ControlOpen29.Antilock Brakes / Traction Control Systems — Connector Views > TCC/Antilock Brake Switch ConnectorBrakes and Traction ControlOpen30.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Pull-to-Seat ConnectorsBrakes and Traction ControlOpen31.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Push-to-Seat ConnectorsBrakes and Traction ControlOpen32.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > Cell ReferencesBrakes and Traction ControlOpen33.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > Schematic SymbolsBrakes and Traction ControlOpen34.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > Wire Color Code IdentificationBrakes and Traction ControlOpen35.Antilock Brakes / Traction Control Systems — Electrical DiagramsBrakes and Traction ControlOpen36.Electrical Diagrams > Automatic Climate Controls > Part 1 of 2Heating and Air ConditioningOpen37.Electrical Diagrams > Automatic Climate Controls > Part 2 of 2Heating and Air ConditioningOpen38.Electrical Diagrams > Manual Climate Controls > Part 1 of 2Heating and Air ConditioningOpen39.Electrical Diagrams > Manual Climate Controls > Part 2 of 2Heating and Air ConditioningOpen40.Radio, Stereo, and Compact Disc — Diagnostic Aids > Pull-to-Seat ConnectorsAccessories and Optional EquipmentOpen41.Radio, Stereo, and Compact Disc — Diagnostic Aids > Push-to-Seat ConnectorsAccessories and Optional EquipmentOpen42.Radio, Stereo, and Compact Disc — Diagram Information and Instructions > Cell ReferencesAccessories and Optional EquipmentOpen43.Radio, Stereo, and Compact Disc — Diagram Information and Instructions > Schematic SymbolsAccessories and Optional EquipmentOpen44.Radio, Stereo, and Compact Disc — Diagram Information and Instructions > Wire Color Code IdentificationAccessories and Optional EquipmentOpen45.Radio, Stereo, and Compact Disc — Electrical Diagrams > Radio/StereoAccessories and Optional EquipmentOpen46.Radio, Stereo, and Compact Disc — Electrical Diagrams > Speaker System > Less Delco-Bose (UQ8 & UW6 Option)Accessories and Optional EquipmentOpen47.Radio, Stereo, and Compact Disc — Electrical Diagrams > Speaker System > With Delco-Bose (UQ4 Option)Accessories and Optional EquipmentOpen48.Relays and Modules - Accessories and Optional Equipment > Accessory Delay Module — Diagnostic Aids > Pull-to-Seat ConnectorsAccessories and Optional EquipmentOpen
Exact Vehicle Hub
Browse →OEM Manual Evidence
Browse →1991 Buick LeSabre A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1991 Buick LeSabre V6-231 3.8L VIN C SFI Service Manual | Operation CHARM Operation CHARM : Car re...
1991 Buick LeSabre Diagnostic Trouble CodesOEM Manual
Repair and Diagnosis: Diagnostic Trouble Codes — 1991 Buick LeSabre V6-231 3.8L VIN C SFI Service Manual | Operation CHARM Operation CHARM...
1991 Buick LeSabre A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1991 Buick Roadmaster V8-305 5.0L Service Manual | Operation CHARM Operation CHARM : Car repair ma...
1991 Buick LeSabre A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1991 Buick Park Avenue Ultra V6-3.8L SC VIN 1 Service Manual | Operation CHARM Operation CHARM : C...
More LeSabre Wiring Pages
Starter Wiring DiagramAlternator Wiring DiagramHeadlight Wiring DiagramABS Brake 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
1991 Toyota Supra A/C & Heater Wiring Diagram1993 Toyota Camry Sedan A/C & Heater Wiring Diagram1993 Toyota Camry Wagon 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 Diagram1995 Toyota Celica Coupe A/C & Heater Wiring Diagram