@2tractors: As stated in the first sentence of my original post, this is a 6 volt positive ground system. I also stated that the coil tower was not throwing a spark with the high voltage wire placed near the engine block, so no way that the ignition switch can be "eliminated." I did state that there was 6.3 volts present at the coil primary terminals and the distributor connector with the points open, but since voltage is constant in this type of circuitry (other than what should come out of the coil, which is a voltage step-up transformer) the indication of correct voltage being present at the coil and distributor does not mean very much, since you can have 6.3 volts but very little amperage present if there is a partial or full short somewhere in the system that is robbing amperage. As you suggested, the distributor connector insulation could be cracked, and thus robbing amps by partially or fully arcing to ground whenever the voltage rises in the coil's primary windings. Although I hadn't mentioned it in my first post, I had checked the insulator when checking all the tractor wiring for any possible grounds. Thanks for offering suggestions, though.
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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