1998 Grand Marquis AC issue

Asked by Jun 12, 2017 at 04:23 PM about the 1998 Mercury Grand Marquis 4 Dr LS Sedan

Question type: Maintenance & Repair

My ac has been acting up. When i just turn the key
on the ac will blow cool air, but when i turn the
engine on it blows hot air. Yes it has a full charge
of freon. There are no leaks. I noticed in the past
that when i pulled the cup holder out, that sits
directly under the climate control, it stopped
blowing cold. It seems that the ac is affected by
the pushing and pulling of the cup holder. But now
it won't do anything but blow hot whether the cup
holder is in or out. What gives? Possible wiring

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