Originally Posted by Skyhiranger
If the AC system is low on refrigerant, then the high pressure/low pressure switch won't allow the compressor to operate, so it won't destroy the compressor. That could be the problem. Or it could be a switch or wiring or relay issue.
That is Exactly what just happened on my pickup..... the compressor would not come on. fixed the leak, charged it up and it works fine now (knock on wood)