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I have a 2006 Impalla and something,keeps draining my battery. We have,checked the,alternator and it is still good. Anyone have any ideas?

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  • paulmacintyre
    paulmacintyre Apr 07, 2015

    You need to run a parasitic draw test on the system with an amp meter. This will tell you how much draw and you can start pulling fuses to isolate the circuit.

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  • 71 Answers

Check all the battery connections, positive and negative, both ends. take them off and clean, coat with die-electric grease. grey, brown, or black is enough to let the car start but will not let it charge back up and the battery will keep loosing charge. Do the wipers work? just had a wiper motor that was not working but it was stuck in an on position and was using up the battery. It felt warm. look for lights stuck on, glove box, under hood, trunk. charge up the battery and have it checked for a short.

Posted on Apr 07, 2015

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SOURCE: battery keeps dying. alternator good

its definitly something taking power ,have you install something new lately,car stereo,amp,if not could be just car trunk light,under hood light,stays on.things to check

Posted on Feb 25, 2009

  • 1 Answer

SOURCE: 2006 Chevrolet Trailblazer. Battery Ok.

Hallo

have the same problem with my Trailblazer, has someone a solution ?

Posted on Jun 03, 2010

  • 4340 Answers

SOURCE: I have a 1998 Isuzu Trooper. The battery keeps

Well, not necessarily a fuse, but a current draw. You need to find the draw.

Pull the fuse for the interior lights (so you can open doors and not alter your tests) and clock. Take off negative battery cable and put the volt meter or test light in series between batt terminal and cable. If the light lights or volts higer that a couple of volts, disconnect items one at a time and re test.

Start with the alternator, it is the most likely. It has a series of diodes that change current from alternating to DC, when one fails it leaks current. The unit may still charge, but not as well as with good diodes. The only test for diodes is a scope, or take it apart and test them individually. Use ohms and current flow in one direction, reverse test leads and no current. Failed diode will flow or connect in both directions.

Anyways, you will have an answer pretty quick if you test battery current draw and disconnect one system at a time and retest.

Posted on Oct 10, 2010

heimlich
  • 1978 Answers

SOURCE: The battery keeps going dead on 1999 Mitsubishi

There is an alternator fuse located on the positive battery clamp or in the fuse block under the hood. if it is part of the positive battery clamp it is a dealer only part and will run $10 to 20 dollars. If it is in the fuse block you should be able to get one at the auto store and modify it to slide in easily. Get a flash light and check all of your fuses carefully. The blown fuse may be hard to spot. The design of the car lets the battery go dead with out even turning on the charge light on the dash to let you know you are not charging the battery.

Posted on Dec 16, 2010

  • 180 Answers

SOURCE: The battery in my

check the voltage at the battery post itself. If you have a corroded clamp, the alt will not charge. If you dont have around 14v at the post but you do at the clamp, a simple cleaning may fix the issue. also check all of the grounds.

Posted on Feb 22, 2011

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