What I was saying John is don't talk like a lawyer when describing a simple ignition system. Battery to ballast resister to coil plus side from coil minus side to points and back to ground. Points open coil side of resister near battery voltage points closed 6 to 8 volts engine running 300 as the points open. That's what the capacitor is for to take up the extra voltage and bleed off to ground. When the points open there is a collapse of the magnetic field in the coil which gives you 20,000 at the plugs and 300 at the points. Close points to build the magnetic field back up. As I said simple electrical circuit. Walt You got to watch using to much complicated info when talking to old farmers who have trouble getting the battery hooked up correctly. Not to that all of us are that way but a few have been asking question to this matter. OH! 50 years as a machinest and auto/ heavy equipment mechanic. Including courses in basic auto electric not electronics like the new cars have bummer.
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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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