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Re: A/C low pressure switch- how to replace? 850 1996

posted by  someone claiming to be Jake on  Sun Nov 11 06:11 CST 2001 [RELATED]

Yep, another idea. Bypass the low pressure switch temporarilly (only, don't leave it bypassed). By that, what you need to do is simply take a piece of wire (any wire) and make a jumper, connecting the two low pressure switch wire terminals together (unplugged) and try your AC again.

If it then does the same exact thing, cycling on/off quickly, you'll know that it's NOT the low pressure switch or being low on freon.

The high pressure switch has 3 terminals and I wouldn't advise trying to jump either of them, not likely the problem. I also wouldn't do anything with the compressor high temp sensor.

It could be an AC relay problem but I'm guessing here.





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