What’s the Voltage on my Battery?

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Forum Name: General Discussion
Forum Discription: General Mobile Electronics Questions and Answers
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=17344
Printed Date: May 06, 2024 at 6:49 PM

Topic: What’s the Voltage on my Battery?

Posted By: PuppyDawg
Subject: What’s the Voltage on my Battery?
Date Posted: August 08, 2003 at 12:09 PM

Hello.....

I know it's possible to measure voltage on a car battery using a digital multimeter....but how? Do i just put the negative (black) on the negative terminal and the positive (red) on the positive to my battery? I heard there's a different way to do it?....or i might be thinking about the altenator......sorry if this is a stupid question guys.

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*paw print*

Replies:

Posted By: Himself
Date Posted: August 08, 2003 at 1:59 PM

Just put your DMM on VDC and then put red to + and black to - and you will get your reading. Just make sure the car isnt running or you'll get your alt. charging and not a accurate battey reading.

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What?

Posted By: PuppyDawg
Date Posted: August 08, 2003 at 3:13 PM

ok .....sorry bout the stupid question....that's sounds like it makes sense. I guess it was the testing the altenator with a Digital Multimeter not the battery. How would you actually test the altenator? These questions are embarrasing seeing especially that i'm MECP certified too.

*paw print*

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*paw print*

Posted By: auex
Date Posted: August 08, 2003 at 10:06 PM

You can only test voltage that the alt is putting out. The easiest way to test it is to take it to an autoparts store and have them do a load test on it.

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