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Heater reversal


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Hi all...

For the last few months I've experienced a reversal in temperature setting on the Climate Control Unit on my 93 DeVille. When I set it at 60 degrees, I get warm air from the vent openings: when I set the control at 90 degrees, I get cold air from the floor.

Last summer I tried resetting the "Oil Change" light and I got frustrated and probably pressed every button combination and never did remove the "Oil Change" light. Then I noticed that to get cold air I had to set control at 90 degrees etc.

Now at 10, 20 and 30 below, my feet are freezing and my face burns.


I've tried disconnecting the battery to get back to default with no luck.

Thanks in advance...


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