Quote:
Originally Posted by bethandkevin
The fact that one dealer put a starter on for a parasitic draw shows they were spit balling. While I would also suspect one of the pimp accessories, I wouldn't let it lead me in the wrong direction. Typically, over 30 mA draw is considered excessive. It can be detected with an inductive pick up meter like in Phil's picture or placing a amp meter in line between the battery cable and battery. I would start by disconnecting added accessories one at a time and then move on to pulling fuses one at a time. I have seen various body modules cause excessive draw due to not going to "sleep".
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Hi
Going by the OEM manuals I purchased with our Duramax it’s about a 2 hour project to determine the draw after everything shuts down. Then they don’t give you a number they tell to divide the draw in the amp hour rating of the batteries.
A lot of OEM devices and some take a long time to shut down.
Phil P
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2009 Duramax 3500 DRW quad cab
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