Quote:
Originally Posted by arucano
check the front of the AC compressor when the AC is on. The front(clutch) should spin when the compressor is engaged and stationary when it is off. If the compressor is not running, it can be due to perceived low refrigerant pressure. This could be real or caused by the pressure switch. A bad fuse or a burnt compressor clutch could also prevent the compressor clutch from engaging.
Start with the compressor engagement test first and work out from there.
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Fuses are all good. AC randomly started working one day then shut off again. I think it's a bad compressor.