Bill, I'm not sure of diode #. I just go to my box and grab a used ones. I may even have one I removed from my delco alternator and replaced it with an Idiot light. I like the light over the diode because I have all my tractor circuits fused. I can look at light and tell that alternator is powered up. One tractor I use same circuit to power up ballast resistor to coil. I would think a 2 amp diode would work. 5 would be plenty. The problem with using an alternator on slow running engines is you have to use the large B width pulley off old generator. Recently replaced 2 alternators, one on Jubilee and one on Farmall C. The newer alternators seem to have a built in delay. And both need a wake up call to charge. Wake up call is reeving the engine for a few seconds. Sometimes slowing the engine, alternator stops. The older style delco would begin charging, no delay, at an idle. George.
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Today's Featured Article - Product Review: Black Tire Paint - by Staff. I have been fortunate in that two of my tractors have had rear tires that were in great shape when I bought the tractor. My model "H" even had the old style fronts with plenty of tread. My "L" fronts were mismatched Sears Guardsman snow tires, which I promptly tossed. Well, although these tires were in good shape as far as tread was concerned, they looked real sad. All were flat, but new tubes fixed that. In addition to years and years of scuffing and fading, they had paint splattered on
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