Question about 1989 Cadillac Sedan DeVille
This is very common i've done tons of these, its the blower resistor module, replace the blower resistor module and that will solve your problem. this part is located under the hood on the firewall on heaterbox, this costs about $200.00 for the part and heres a picture of it. hope this helps.
Posted on Sep 13, 2010
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Posted on Jan 02, 2017
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