There is no coil bypass on that tractor. Never was. The problem was 1. wired wrong and 2 wiring was in such bad shape. Basically because the wiring was goofed up it wasn't getting enough voltage to the coil to fire the coil while the tractor was cranking. As you took your finger off the starter button the engine was still spinning and all the power was available for the ignition system. Not the first one I've seen like that.
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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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