Question about 2006 Dodge Ram 1500

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Battery dies while sitting idle

I own a Dodge 06 Hemi, and when I let my car sit unused for 7-10 days, the battery drains down to where I can no longer start my ignition. The dealership has ran multiple tests such as

Test Battery: 12.8 volts
Load test: okay
Test charging system: 14.6 volts
Check for draws on battery: .126 amp draw when modules power down

They said no problem was found, and didn't know the reason why the battery seems to always go dead. Any help in this area or if anyone else experienced something similar would be greatly appreciated.

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  • ponyprincess Jan 15, 2009

    my 06 1500 hemi does the same thing, but only after sitting for 24hrs+ in the cold weather ....dealer had replaced the battery in feb of 08( after complaints in winter of 2007) and say they cannot find the draw..... they refuse to let it sit for the correct amount of time and are more concerned with charging the battery, doesnt the fact that they have to charge it in the first place suggest there is a draw happening somewhere? i've contacted chrysler and started a case file....hopefully they will find a solution

  • yadayada
    yadayada May 11, 2010

    Do u see a tiny spark when the negative cable end is lightly touched to the negative post of the battery, this is better done in the dim light, if u do see a small arch then u have a draw, check for lights that may be on like map lights or vanity visor lights, trunk and hood as well. let me know what u find or if u already did this test. You may also want to disconnect the alternator for a week and see what happens, a defective diode can cause this problem, but it is rarely the case.

  • Anonymous Mar 15, 2014

    Car will not start in morning. Have done an amp. draw test when shutting off the car. No draw after car "goes to sleep" but will not start the next morning!

  • Anonymous Mar 26, 2014

    recently on two different occaisions I'v had to replace the module for the remote start/door locks,and I'v had 2 Garmin gps's go dead on me.Voltmeter test at battery shows 14.5 volts

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Well it could be possible that you have a cell that is going bad.. This would cause battery to fade with little draw from onboard accessories (ie: clock, etc...) Why not spend a couple dollars and install battery isolation switch you can flip when vehicle is expected to sit for a duration... I know this doesnt solve the drain problem you have but could be a solution for not having to jumpstart it when you need to ude it..Good Luck

Posted on Dec 30, 2008

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