Let’s break down John T’s engineering speak a little. In A) he references the ..LV primary.. which is the coils low voltage winding. What he is saying is that the primary winding is actually a continuous wire just wrapped in circles inside the coil. Somewhat similar to having a 100 foot extension cord wrapped around a 5 gallon bucket. It will still power something on the other end. The points which may be obvious are just a switch to ground; all be it switching on and off very fast. I don’t know if I can add much more detail with out this being long as my arm. I will attach a link to a very good detailed document that explains battery powered points and coil ..Kettering.. ignition systems. Hope this helps, John Ts trouble shooting guide is very good to follow to help diagnose an ignition problem. I learned a lot of my basic electrical theory in my youth playing with batteries, train sets, flashlight bulbs and battery operated electric motors.
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Today's Featured Article - Harvestin Hay: The Early Years (Part 2) - by Pat Browning. The summer of 1950 was the start of a new era in farming for our family. I was thirteen, and Kathy (my oldest sister) was seven. At this age, I believed tractor farming was the only way, hot stuff -- and given a chance I probably would have used the tractor, Dad's first, a 1936 Model "A" John Deere, to go bring in the cows! And I think Dad was ready for some automation too. And so it was that we acquired a good, used J. I. Case, wire tie hay baler. In addition to a person to drive th
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