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 - Chores - by Frank Young. The ceaseless passing of time! It is at once our friend and our enemy. It measures our progress and it makes us old. Like most features of our life, few things are all good or all bad, and most such judgments depend on our own perspective or viewpoint. In our particular hobby, we enjoy the nostalgic return to the days of our youth as we recreate many of the scenes that took place on the family farm that served as the stage for the first few acts of the play that is our live
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