"Say for instance, a tractor has an ignition resistor and I happen to put on one of those coils with the built in resistor...... Wonder how the silly thing would act?
I can tell you how it would act, VERY BADLY the spark would be weak as coil voltage and current is gonna be less then it was designed for.
On a 12 volt tractor using a 6 volt coil, the ballast drops the 12 volts from battery down to 6 so the 6 volt coil sees what it was designed for, 6 volts, and a good spark.
BUT if on a 12 volt tractor you keep the ballast BUT USE A 12 VOLT COIL the coil sees quite a bit less voltage and current then it was designed for so the spark IS WEAK.
Id say symptoms may be hard to start and poor performance.........
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Today's Featured Article - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
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