Unfortunately, the block diagram does not show me the location of the various components. There are what appear to be two pressure switches on the high pressure line coming out of the compressor. One has voltage to it and one does not. Even if I install a jumper on the one that has voltage I do not get voltage at the other. From what I can see on the block diagram, the current travels through the low pressure switch and then through the high pressure switch to the ECM and then to ground. It also travels through the compressor clutch relay to the compressor clutch.
There are three relays near the right front fender behind the grille. Is one of those the compressor clutch relay and if so, which one?
Wednesday, September 15th, 2010 AT 2:34 AM