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Q: The car a/c switches on and off when it wants. How do I fix this? on 1998 Oldsmobile Cutlass

Happens every time a/c is used. Been happening for years but only drive once a week. When the green light on a/c button is on, the a/c is cool but it shuts off on its own. The air still blows when light is off but it is warm air. Is there a switch that would fix this. My wife wants me to add a/c but that isn't it since been doing this for a long time and if was low in when it started then it would have been empty by now.
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Hasnt been done. I dont have that equipment and wasnt sure if it was needed.
I have some mechanical skills but a/c is something I never
tackled and wouldnt know how to use the gauge set . Could this be a switch or a relay?
Without the low and high side readings when the compressor is engaged I can't help you.
Or you can shoot parts at it.
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