I agree with your recommendation that the ballast resistor is bad, however, I was thinking that the voltage on both sides of the resistor would be the same (in this case 12 volts) if the points were open. Wouldn't that result in an open circuit with no current flowing through the ballast resistor?
It seems to me that the voltage drop across the ballast resistor would only occur if the points were closed and current was flowing through the resistor and coil. Or am I thinking wrong?
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Today's Featured Article - Memories of an IH Super A When I was ? up to 10, I worked on my Papaw's farm in Greeneville, TN every summer. As I grew older (7), it was the thrill of my day to ride or drive on the tractor. My Papaw had a 1954 IH Super A that he bought to replace a Cub. My Papaw raised "baccer" (tobacco) and corn with the Super A, but the fondest memory was of the sawmill. He owned a small sawmill for sawing "baccer" sticks. The Super A was the powerplant. When I was old enough (7 or 8), I would get up early and be dressed to
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