Loseing charge over night......... - Ford Powerstroke Diesel Forum
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Old 03-22-2011, 04:25 PM
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Loseing charge over night.........

I have two red top optima batteries. they have been tested good. New alternator.
When the car sits overnight it kills the batteries an will not start without being jumped. once jumped an drove the car will start fine all day long.
\\Just wondering what would draw that much juice from the batteries over night? is there any common simple fixes?
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Old 03-22-2011, 04:39 PM
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When my step dad had my truck he had kind of the same problem, mines a 96 F-250, he took a look at a lot of things, it ended up being the light in the glove box compartment. It took a couple days instead of overnight but try looking at the lights inside your truck also
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Old 03-22-2011, 04:46 PM
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Test the amp draw at key off with an ammeter.....i had a 4 amp draw that took me forever to diag. Should be little draw when off. If you have a draw, pull each fuse and use a multimeter to check for any draw on each circuit.
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Old 03-22-2011, 06:40 PM
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THIS HAS BEEN BOUT A 3 WEEK process. As of now i just pull the cables each night.
I did take it to autozone an they brought out the little machine tat checks the volts an amperage while runnin an then shut off. with key off it had very little draw an he said it was in the normal range.
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Old 03-22-2011, 06:41 PM
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ianstew this looks to be my next step just pull one at a time an see if much changes
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