I have 50 years experience, as does John T. I teach Electrical systems and Transportation/Power Technology at a University. John T is an Electrical Engineer. I also think Buickanddeer is an Electrical Engineer. (others on here are also experienced, those who think there are resistors inside coils just have not disassembled one to see what makes it go. We are clearly denying the existence of internally resisted 12v coils. Some company could make one, but the heat would need to be dissipated in some way, not convenient. Why build a device for 120 volt operation and run it on 220 by putting a resistor inside. The ballast resistor idea is specifically for allowing a bypass to place higher voltage on the coil when cranking. 10 volts or so due to the load of the starter motor current draw. This provides starting capability in cold weather, and more reliability. Jim
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Today's Featured Article - Tuning Up Your Tractor: The Battery - by Curtis Von Fange. Buried somewhere beneath the sheetmetal, under the gas tank, or stuffed in front of the radiator is the battery. This elusive and neglected component of the tractor is the hardest to get to when it is dead and in need of a jump. But usually, the storage battery is a storehouse of electrical energy waiting to be released a the flick of a switch. A few maintenance tips and periodic cleaning will keep it charged for the duration of its life span. The battery is made up of a number of lead bas
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