TROUBLE STARTING/LOW VOLTAGE
2002 Chevrolet Malibu • 186,000 miles
Car looses voltage over a 24-48 hour period. Wont start after 2 days. I Have tested for voltage draw and the test light barely illuminates when connected between the neg batt term and ground cable. I had the battery tested and Autozone said its good. But it will loose voltage out of the car. From 12.5 to 11v in 24 hours just like it does when in the car. While doing the voltage draw test I did notice the test light would illuminate brightly when I removed the fuse marked R/H BEC BATT or L/H BEC/BATT2. But would go off if both fuses removed at the same time. I think the battery is bad but Autozone is saying its my starter or mechanical problem. I was going to buy a new battery but don't want to just throw money at the car. Thanks for any help you can offer. BTW new alternator and battery cables.
April 20, 2013.
April 20, 2013.
If the battery is self-discharging out of the car, which sounds like you've already identified the problem, I would charge it up, have it tested again, then leave it at Auto Zone for two or three days and have them test it again after it has been sitting. Be sure the top is clean and there's no condensed acid on it. That will cause self-discharge too.
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