Posted by donjr on March 12, 2012 at 15:58:33 from (71.248.68.169):
In Reply to: 4030 6vdc to 12vdc posted by David S. on March 12, 2012 at 15:21:45:
4030's are 12V. If you have 2- 12's, Both positive posts have to go to the solenoid, and both negative posts have to go to ground. With 2-6 v's, one positive post will be to the solenoid, the negative of that battery will go to the positive post of the second battery, and the negative of the second battery will go to ground.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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