Question about 2002 Cadillac Deville

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Dashlight Stays on and Battery Runs Down Completely After Shutoff

The dashlights, i.e., traction, brakes, check engine and sealbelt lights stays on while my driving or while cranked and when I shut it off, within 8 to 10 hours, my barttery is completely dead!

What can I do to correct this problem because I've actually replaced the battery twice and even though its shows a full charge right now (14.4 to 14.8), it will completely be dead after so many hours after shut-off.

By the way, I have a 2002 Cadillac Deville.

Thank you for your assistance!

Ron Bethea, Sr.

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You have a slow short somewhere in the vehicle. Have you had the alternator checked. While the alternator may work fine while running, it is possible that the alternator has "sticking diodes" which will cause the alternator to "stay on" and drain the battery.

Posted on Jun 03, 2009

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