Forum Discussion
RJsfishin
Sep 06, 2015Explorer
If you had a home made voltmeter like this, it won't read reverse
Costs about 3 bucks to make.
![](http://i1278.photobucket.com/albums/y502/RJsfishin/Sears%20002_zpsgahnus26.jpg)
Costs about 3 bucks to make.
![](http://i1278.photobucket.com/albums/y502/RJsfishin/Sears%20002_zpsgahnus26.jpg)
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