Question about 2004 Cadillac Deville

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2004 cadillac deville has intermittent dead battery

Battery was dead after oil change at valvoline and getting new tires at walmart. is fine at all other times.

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  • stephenmgarn Feb 17, 2009

    The battery is fine; the only time it goes dead is at an auto repair shop.....hmmmm. I have been reading about parasitic battery drains (I have OnStar and XM radio), but can't seem to figure out what technology the auto repair shops have that may be causing the battery drain.



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Do a load test on battery may have a weak cell and is in of replacing they may have left radio and key on which was enough to drain what was left in the battery maybe only operating on 11.5 volts put on all accessories and rear defrost and see what the battery gauge does if it goes really high or if it stay normal or shows a low reading

Posted on Feb 16, 2009


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