I would pull the elctrical connector off of the pressure switch, located on the low pressure side, usually on the receiver dryer unit, and jump the terminals on the plug and watch the a c compressor clutch to see if it locks up, if yes at least you know that works, second may be to get the system pressure tested, run the jumper only long enough to see if the clutch locks up
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Tuesday, August 1st, 2006 AT 7:27 PM