SMOKE TEST Pin #1 is the exciter current from the diode or resistor,or the idiot light, and from there from the ignition terminal (hot when turned on). If you used a digital meter, it might appear to have zero resistance, especially if set on high ohms range. I would put 12 volts to it as follows: use jumpers with the neg jumper to alternator frame, and positive jumper to a piece of wire with a spade connector on it to go to pin #1. apply porew and if no smoke, I would put it in the circuit. The only thing that could be dammaged is a diode, or resistor (as per the circuit Bob M provided. It is likely OK. JimN
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Today's Featured Article - Gatherin of the Orange - by Rick Nikolich. In July of 1998 I was talking to fellow Allis Chalmers collector Mike Schilling about the annual "Gathering of The Orange" AC show coming up in August of 1999. He got this wild idea that we should get a convoy of AC tractors and drive them from Charlotte, Michigan 105 miles to LaGrange, Indiana.
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