The ballast resistor is toast. They are cheaper than coils, and do go bad. if your coil primary is less than 2 ohms, I would replace it with a 12v no ballast resistor required. However if the one wire alternator went wide open from a regulator issue, the voltage might be 20 plus volts and that was the reason the resistor went incandescent. Battery voltage running should be 14.2 or 14.8 max with a charged battery. A three wire alternator (stock auto wiring) is likely to be the ticket. Bob M wiring diagram in the search for box will find it. Jim
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Today's Featured Article - Fire in the Field A hay fire is no laughing matter-well, maybe one was! And a good life-lesson, too. Following World War II many farm boys returned home both older and wiser. One such man was my employer the summer I was sixteen. He was a farmer by birth and a farmer by choice, and like many returning soldiers, he was our silent hero: without medals or decorations, but with a certain ability to survive. It was on his farm that I learned to use the combination hand clutch and brake on a John D
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