Battery draining

Tiny
KATACCTS
  • MEMBER
  • 2005 ACURA TL
  • 130,000 MILES
Hi, for some reason my battery has been dying out and didn't charge. It has happened a couple times. I changed the ground on the battery because it was breaking it lasted about a month. Then when I went to go somewhere it wouldn't start, but the night before it started with no problem. Not sure what's wrong.
Sunday, January 5th, 2020 AT 6:22 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,650 POSTS
Hi,

First, make sure the battery terminals are clean and tight. If you haven't already, you should try load testing the battery. It's best to do it with a machine, but here is a link that explains how to do it at home:

https://www.2carpros.com/articles/car-battery-load-test

If the terminals are tight and clean and the battery is good, we need to check the alternator's output to the battery. It isn't hard to do. Here is a link that explains how to do it. You will need a volt meter or multi meter.

https://www.2carpros.com/articles/how-to-check-a-car-alternator

Here are a couple links you may find helpful:

https://www.2carpros.com/articles/how-to-use-a-voltmeter

https://www.2carpros.com/articles/how-to-check-wiring

Do this and let me know the results so I can guide you.

Take care,
Joe
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Sunday, January 5th, 2020 AT 8:58 PM

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