Quote:
Originally Posted by Elektri
Various cars have various switches connected to the A/C lines. If the refrigerant pressure is too low, it will shut off the compressor. If the pressure is too high, it will shut off the compressor.
You need to have just the right amount of refrigerant - not too much, not too little, THEN the switch will allow the compressor to run.
So look for those sort of switches - usually around the accumulator/receiver/dryer.
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Problem is power not going to clutch, not too little or too much refrigerant. 0v at a/c connector for clutch and 0v at the a/c cutout switch (attached at receiver/drier). As stated before I ran a straight +12v to the compressor from the (+) battery terminal (car was off) and I heard and saw the magnetic clutch engage. I then wired up the relay bypassing everything and can no get the clutch to engage and disengage with the inside cabin switch that also controls my high speed fans. With this bypass set-up my a/c is now fully functional and pressure on hi/low side is good, but I still would like to know why there is no power. I even tried changing the MAS relay and still 0v.
07-07-2015, 09:51 PM
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