My ac clutch is not engaging and I do not have power to the clutch. There is no direct relay/fuses that I can find, but I have check all and all are in working order. I believe the PCM controls the a...
Auto stores like Autozone, etc will lend you a set of gauges for your AC system. They also make an inexpensive 12 volt voltage detector for you to check each wire to determine if there is power to the wire. These make it fairly easy to check the wiring on a vehicle. Don't forget the possibility that the wire has been broken or chewed by rodents if you can't find a fuse that supplies voltage to the compressor.