Operation CHARM
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Ford
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1994
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Mustang V6-232 3.8L
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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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Refrigerant Pressure Sensor / Switch
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Description and Operation
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A/C Pressure Switch
A/C Pressure Switch
PURPOSE
When refrigerant pressure goes too high or too low, the
A/C clutch cycling pressure switch
removes voltage and current from the compressor clutch before any damage results.