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  #1 (permalink)  
Old 20 Aug 2012, 01:48 pm
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Default I know I should know.....

Been having some issues with a draw on my battery.


Using a multimeter how would I go about testing this, and what setting do I set it on, volts, ohms etc.
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Old 20 Aug 2012, 07:24 pm
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Default Re: I know I should know.....

Quote:
Originally Posted by Busa_Powered View Post
Been having some issues with a draw on my battery.


Using a multimeter how would I go about testing this, and what setting do I set it on, volts, ohms etc.
Sorry but I know enough to be dangerous when it gets to that stuff. Nitro and some others are good with this stuff. Sure they will chime in soon.
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Old 20 Aug 2012, 11:55 pm
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Default Re: I know I should know.....

I think you want to set your meter up to read dc amps, depending on your meter you will probably have to move the red lead to another jack on the meter than you normally use for volt and ohm readings. Remove the negative cable from the battery and hook the red meter lead to the cable and the black meter lead to the battery post and you should see some current reading if you have a significant draw.
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Old 21 Aug 2012, 12:40 am
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Exclamation Re: I know I should know.....

Maybe this well help:




I need to make sure I have it plugged in the right sockets, as well as the right settings on the dial. I have a draw on the battery which makes it dead in a few days. If anyone can tell me what posts to hook this to and what settings to that would be great.

Do the test on the negative cable and post with the positive still attached then? Some videos on youtube say to test the positive so I dunno.

Thanks!
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Old 21 Aug 2012, 09:39 am
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Default Re: I know I should know.....

Quote:
Originally Posted by Busa_Powered View Post
Maybe this well help:




I need to make sure I have it plugged in the right sockets, as well as the right settings on the dial. I have a draw on the battery which makes it dead in a few days. If anyone can tell me what posts to hook this to and what settings to that would be great.

Do the test on the negative cable and post with the positive still attached then? Some videos on youtube say to test the positive so I dunno.

Thanks!
It's like a big circle, any place you open it up will give the same reading. So either post will do. Will want to use the smallest measure on the dial. Say a 1amp setting won't show a micro amp draw.
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http://www.ptcruiserlinks.com/forum/...oject-1-a.html

This is a great read from one of our own! Badglas
badglas.blogspot.com
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Old 21 Aug 2012, 02:54 pm
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Default Re: I know I should know.....

Yep ^^^

Go big first, so you don't burn tiny ohmmeter fuse- and make sure no knucklehead opens door, applies brake while you're on low ranges.

There's also inductive ampmeters- you don't have to disco anything
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Old 21 Aug 2012, 02:59 pm
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Default Re: I know I should know.....

if you find you are pulling current, you can do the same procedure in both fuse boxes. take a fuse out and touch the leads to where the fuse blades go... and then move on to the next fuse
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Old 21 Aug 2012, 03:05 pm
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Default Re: I know I should know.....

I couldn't see your picture for some reason but this is how mine is setup to read dc amps or milliamps. You want the black lead on common and the red lead on the A or mA socket, I would start with the A (Amps) socket until you find out how big a draw you're dealing with. If you have a selector switch it should be set to A also. And like Busted said you can disconnect either battery lead and yes you leave the other battery post connected.


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Old 21 Aug 2012, 04:05 pm
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Exclamation Re: I know I should know.....

Forgot to add that I also have a battery backup setup.

do I need to disconnect that too while doing the test on the main battery?
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Old 21 Aug 2012, 05:10 pm
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Default Re: I know I should know.....

Is it isolated from the main battery already?

What does it power and how does it receive its charge?


http://flashoffroad.com/electrical/B...teryDrain.html
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