Question about 2003 Cadillac CTS

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2003 Cadillac cts battery up/won't start

We have had 2 days of bitter weather(-21 windchill & -11) my car wasn't started either day. When I tried to start it the 3rd day..nothing. The lights, radio etc come on , but nothing when I turn the key.

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It sounds like to me the battery is dead. a way to test that is to trun the headlights on and see if the headlights dim if they do it has a weak charge

Posted on Jan 18, 2009

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Its the battery. The colder it gets the less cranking amps it has. Keep the car in garage or get a battery wrap warmer. Also try to get a battery with the most cranking amps for the size battery it will take.

Posted on Jan 18, 2009

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Are your power seats working? Mine shorted out and several days later my battery was dead because the short was drawing power from the battery when the car was not running. If your battery and charging system check out o.k, I would say you have some kind of parasitic drain on your battery.

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Hey Guys! Had the same annoying problem. Cadillac dealer could find nothing wrong with it. Gave me a new battery. Took it to PepBoys and it died for them and immediately they found that it was the Crank Positon Sensor!! Part was $70 + labor. GOOD as NEW!!!!

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