Battery Drain ... Again

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Mar 24, 2009 | 07:14 AM

steve mulherin

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Battery Drain ... Again

OK, I measured current / amps between the negative cable and the negative battery terminal, nothing registered. Next I measured resistance (OHM) between the negative cable and the positive battery terminal. The meter started climbing up to a reading of 46 then desended to 1.3.

I'm totally confused. How can I have resistance burt show no amperage?

Mar 24, 2009 | 07:50 AM

AGENT 86

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From: Summerland B.C. Canada

Does your meter have a milliamp selection ? My meter will read nothing in amps, when there is less than one.

Mar 24, 2009 | 07:58 AM

WW7

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From: WV

Quote:

Originally Posted by AGENT 86

Does your meter have a milliamp selection ? My meter will read nothing in amps, when there is less than one.

Also pull the fuse for your inside lights, I was told by a member to do this an it made a big difference in draw. If you get a reading over 50 milliamps you have a problem. Mine read somewhere around 20 ma. WW

Mar 24, 2009 | 09:06 AM

3D-Aircrew

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Joined: Nov 2007

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From: Gainesville FL

Quote:

Originally Posted by steve mulherin

Ohmeters are tricky. Many times you are reading contact resistance from the probe to whatever you are trying to measure. A better way is to use alligator clips. Also to answer your question the resistance you measured is not across the battery ... if it were it would be shorted ... good luck.

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