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Ford Ranger
Lincoln Mark VIII
Oldsmobile Intrigue

Why would the AC on 1999 Oldsmobile Intrigue go off and on?


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August 07, 2007 5:39PM

Low refrigerant


I had this exact same problem, and it was NOT refrigerant or the AC Relay or anything else.

It was a faulty fan switch in the control panel.

How I finally arrived at this correct diagnosis is that I found by "nudging" the fan switch with my finger, the AC light in the AC button would come right back on.

I replaced the AC control head unit with a brand new GM replacement part off EBay for $190 shipped and the problem has been 100% solved for over a week now.