Question about 1992 Cadillac DeVille
Your problem is most likely a fault of the AC/Heater programmer; this devices located
on the passengers side, under the dash just below the glove box. Make
sure that your heater hoses going in thru the firewall at hot to the
touch and that the heater core is not plugged up.
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Posted on Jan 03, 2011
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Posted on Jan 02, 2017
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