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electrical
1990 Cadillac DeVille

Electrical

(1990 Cadillac DeVille)
when i turn my car off and open my door sometimes my radio or my ac will turn on by them self sometimes draining battery
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Popular Answer
on March 25, 2009
The radio should turn off when you open the door. If it stays on there could be a faulty input to the Body Control Module, a sticking relay, or a faulty BCM. About the A/C, is the blower motor staying on? If so the cause is most likely the blower motor control module.
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General Diagnosis
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on March 25, 2009
The radio should turn off when you open the door. If it stays on there could be a faulty input to the Body Control Module, a sticking relay, or a faulty BCM. About the A/C, is the blower motor staying on? If so the cause is most likely the blower motor control module.
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