i didn’t have a long enough wire to connect from the battery to the compressor. so I unplugged the wire to the low pressure switch and I jumped the wire. When I did, the compressor kicked on and the clutch engaged. I figure two things. Either I don’t have enough freon in the system or I have a bad low pressure switch. Would checking continuity in the low pressure switch be a proper way to diagnose a working switch? I am not an electrical expert by any means. If continuity is good then my other option is to leave the wire jumped while I check the system for pressure. I know that running a compressor with low freon is not good, but what other alternative would I have? I could just place freon in the system, but then I would risk overcharging the system?
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