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Old 08-14-2009, 11:03 PM   #5
fdryer
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Join Date: Jan 2006
Location: NYC
Posts: 45,246
 

2003 L-Series 3.0L Sedan
Default Re: My battery is dead overnight

Is the battery the original 6yr old one? You may be obsessing over something that may not be an issue when you're not answering some questions. A faulty bcm can cause issues but if a dead battery is the issue the bcm may not be the cause of these problems. In order for the bcm to operate, it needs battery power and if the battery is a dead one nothing on the car will work correctly. If you can measure the battery voltage, what's the voltage now? If its below 12.5v, either the battery needs a full charge from a wall charger or you must drive the car for over an hour to have any charge occur with the alternator, provided the alternator and belt drive system are operating correctly.
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VCX NANO

Last edited by fdryer; 08-14-2009 at 11:09 PM.
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