Thread: Battery drain problemw/ 64 Chevy C-10

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Batteries can also short out internally and slowly drain down. Charge it up, pull it out of the car or disconnect the battery cables for a couple of days, then load test it, or just put it back in and see if it held it's charge without being connected to anything.

If that fails, do the negative battery test I mentioned before to find the source of your drain.


Don

Oh, and you could have gotten two bad alternators in a row, especially if they are rebuilt ones. Lots of times the rebuilders find one problem and quit there, and there is a secondary problem they miss. One time I had a new (rebuilt) alternator fail, so I took it back. Second one did same thing. Parts guy says very rudely that I have something wrong with my car that is destroying them, but he will give me one last one. I had him test it on his machine first just to be sure, and he set that one aside. Then he pulled a second one off the shelf to test, and set it aside. Finally after 3 he found one that worked! I couldn't pass that opportunity up and said to him "something on my car is destroying them, huh? Would you like to apologize now?" He did. lol