Quoting Removed, click Modern View to seeWell, sort of but not really.
If you have 2 circuits designed to do the same job, one intended to be 6 volt and the other 12, the 12 volt circuit will draw half the current. Lower current only needs smaller wires. If you have a simple resistance circuit designed for 6 volts and apply 12 volts, it will draw twice the current until something melts.
However, a starter is not a resistance curcuit. It is (surprise!) a motor. When a motor is spinning, it acts like a generator. The voltage produced pushes back against the voltage from the battery, reducing the current that is flowing to the starter. The faster the starter spins, the greater the back voltage and the less the current. A free spinning starter produces a lot of back voltage and draws surprisingly little current. This is also why bad cables get hot so quickly when a starter is jammed. If the starter isn't turning, you have a virtual dead short.
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I’m handing him tools and he says, "give me that..." and I’ve already got it in his hand or "hand me that....."and I’ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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