Question about 2002 Cadillac Deville

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2002 cadillic deville temp. control will not work all the time how do you test it to see if control panel is bad.

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First you will have to test the resistance coming from the thermometors to se if they are sending a sinal to the control panal, than if they are make sure the signal is getting back to the control unit if it is then you have a bad control unit...

Posted on Oct 08, 2009

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