Posted by Yooper Farmall on January 04, 2011 at 12:17:14 from (141.210.112.16):
I've bolted up a new Hitachi 12 volt alternator to a 1941 H using an aftermarket alternator bracet that I already had. I have a wiring question:
currently, applying 12 volts to the "S" terminal does not excite the field and cause the alternator to start chargine. However applying 12 volts to teh "L" terminal does. The problem is that if the voltage is applied to "L" at all times, there is a constant draw. If a switch is introduced in the circuit to the "L" termnial, it back feeds the coil and the tractor will not shut off. What is the fix to this? I see Dean has wired up a diod of some sort on his 300 Farmall. I'd prefer not to have to add a charging toggle switch on the light bar.
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Today's Featured Article - Tractor Profile: Farmall M - by Staff. H so that mountable implements were interchaneable. The Farmall M was most popular with large-acreage row-crop farmers. It was powered by either a high-compression gas engine or a distillate version with lower compression. Options included the Lift-All hydraulic system, a belt pulley, PTO, rubber tires, starter, lights and a swinging drawbar. It could be ordered in the high-crop, wide-front or tricycle configurations. The high-crop version was called a Model MV.
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