I figured it out!!! (I think) The motor is isolated from ground. The motor runs either way The leads go to a switch that reverses the polarity of the voltage going to the motor. The switch grounds one lead, and gives power to the other. when switched to the other direction, the switch grounds the first lead and powers the second. The switch must have a good ground, or a second wire going to it that is ground. The power seat and window motors on vehicles work the same way. JimN
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Today's Featured Article - A Tractor's Point of View - by John Manley. I began my life on August 3,1941. I was actually built at different times and days but I was officially an M Farmall on August 3.I was real nice and shiny. That�s me, in the old picture, third from the left. I was loaded on that train and sent to a little town in South Carolina. I didn�t get to see much of that town. I was moved off the train fast and on to the dealer�s
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