I’ve been having a lot of trouble with my 2001 Hyundai Elantra. I have had it in and out of the shop and now, it’s just sitting until I can afford to fix the next set of issues. The current problem here is that my car will start with a jump but won’t hold a charge. I was told there’s a miscommunica…

What I’m trying to convey is that without a charged battery in the car, you can’t diagnose this.

The battery is charging right now but what I’m saying is, we have charged the battery and jumped it and the charge will only last for about a minute or so and cut off. The battery won’t hold the charge. And I was told it is because of a miscommunication between the battery & alternator. But I’m tryi…

Not sure. Some batteries cannot hold a charge. If you remove the battery to charge it, you are decomplicating the situation. See if it takes and holds a charge, without any connection to the car. (You may have to reset radio memory, etc. Check owners manual about that. In some cars it is a big hassl…

You are aware that your alternator can fail and become a big giant hole into which electrons will flow… Yes? Do this quick test… unhook the hot lead from the alternator and then hook up your charged battery. Be sure the hot lead cannot or will not ground itself as it is a direct connection to the…

The alternator is brand new. I thought that was the issue so, I already had it replaced. We checked it with a volt meter too and it was at a 16.

We have tested another battery and it did the same thing

Tested it on its own or installed in the car?

A good battery will not not discharge in a minute or so. How are you testing the battery?

Car starts after jump but battery won’t hold charge

Maintenance/Repairs

NYBo March 18, 2019, 12:32am 14

If the battery won’t hold a charge, it is shot, period. That doesn’t mean there aren’t other electrical problems, though.

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Car starts after jump but battery won’t hold charge

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