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Buick
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1986
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LeSabre V6-231 3.8L VIN B FI
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Repair and Diagnosis
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Sensors and Switches
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Sensors and Switches - HVAC
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Air Conditioning Switch
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Description and Operation
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A/C Select Switch Relay
A/C Select Switch Relay
An electronic switch to ground energizes this relay whenever the controller has been set in the ``AUTO'', ``BI-LEVEL'' or ``DEF'' mode and the outside temperature is above 32 degrees F.