Posted by used red MN on March 25, 2023 at 00:34:49 from (68.46.31.28):
In Reply to: No Start 2N posted by Clapped 2N on March 24, 2023 at 22:21:46:
Hello ..Clapped.. welcome to YT! Now use your test light on the other terminal of the coil. See if the test light flashes on and off while the engine is cranked with the starter, get a helper if needed to operate the starter. When the small round contacts of the contact points in the distributor are making a proper contact when the engine is turned so they are on the low part of the cam in the distributor they should ground out that side of the coil causing the test light to go out. When the bump on the distributor cam turns to a point they are pushed open the light will come on again. If it stays lit it means the points have degraded to where they are not functioning properly and will probably need replaced. The tractor was originally a 6 volt electrical system, has the tractor converted to 12 volts? A six volt battery would have 3 caps on top to check the electrolyte level. If it is 12 volts it sounds like you have run it about the right amount of time that a 6 volt running on 12 volts would ..clap out.. the points. If it does not have one and it has a 6 volt coil you need a proper resistor to lower the voltage to the ignition coil. More on that later.
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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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