Operation CHARM
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Pontiac
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1987
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Grand AM L4-121 2.0L
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Repair and Diagnosis
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Heating and Air Conditioning
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Refrigerant Pressure Sensor / Switch
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Locations
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Pressure Cycling Switch
Pressure Cycling Switch
Compressor Control Relay:
The Pressure Cycling Switch is located at the RH front of the dash near the strut tower.
