1999 GMC Suburban "bypass ac low pressure switch" Questions

...used tokeep your ac from freezing up i believe. i think that the problem is your A/C needs more freon134a it seems that when it has run for sometime the pressure gets too low and cuts out the LP ...

...ac compressor and no fan. Blower in the vehicle works fine Check low side pressure or try bypassing low pressure switch with a paper clip in the connector. If pressure is good but bypass works, you ...

...bypass the low pressure sensor and allow the AC clutch to engage and begin to cycle again. Remember this low pressure switch is there for a reason. If you don't add more r-134 to the system and allow ...

ac clutch won't engauge hot wirs clutch it runs,bypass relay runs,replaced relay no good. Relay will not engage if pressure switch thinks freon is low. This switch does sometimes fail. If you are sure

...bypass the high and low pressure switch no change Looks like the low pressure switch gets power from a 10amp ac fuse. Power then goes to the ac relay which is powered on by the ac heat controller on ...

...ac run bypass 2005 -2500 Dodge Ram Mega cab. A/C not working, Compressor Clutch will not engage. Will not except Freon 134A. Do I need to run bypass on high pressure switch? more like run a bypass on ...

...bypass it. WHAT IF I JUMP THE AC COMPRESSOR AND MY TRUCK SHUTS OFF u need to check for pressure in the ac system. ac clutches wont engage if no pressure in system, this is a safety measure to keep ...

ac recharge How do you bypass the low pressure switch for the AC compressor on a 2003 dodge grand caravan? I have vacummed the sydtem but the compressor will not kick on to add 134a to the system. you

AC compressor wont come on and AC light flashes on the dash. Also the low pressure switch when bypassed does not engergize the AC clutch. Sounds like low on r134,when was the last you had the service?

AC system, one is high and the other is low. You are assuming it is the low pressure one. It could be the other one. The only way to know for sure is to use a manifold pressure gauge set. With that in