Posted by WY JERRY on May 24, 2011 at 17:56:48 from (72.21.73.208):
49 M with magneto, 4-position light switch. Since I've owned it it has had no charging system, lights, anything electrical except the battery and starter (and mag). I bought a 6V generator with a VR that was taken off another guy's tractor when he converted to 12v. The gen / VR combo was working at the time.
I have Bob M's wiring diagram #4, which shows a cut out instead of the regulator. I also have John T's troubleshooting procedure. And I have a post from May 4 11 that is dealing with a very similar situation. Between these resources I have a pretty clear idea of what needs to happen. Thanks to those involved.
Here's my problem: I don't know which terminals on the VR are which! I see no markings on it. The photo shows the terminals numbered. If someone can match up the numbers with what they should be labeled I think I would be all set.
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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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