AC Pressure Switch ?

[70GMCer]

Originally Posted by hatzie

If it's a working LPCO switch you can adjust the cut-in pressure for R134a... if you need to.

Hopefully, there's a HPCO switch in the system now as well.

With a 134 conversion, would the low be set at 30psi cut out? Also, I didn't think there was a high pressure switch for this year. If I install one, would I wire it in series with the low switch?