I have been tinkering around with some DC motors and the boards from treadmills to try and bypass the integrated control and add a potentiometer to control motor speed but have been unsuccessful and hoped that I could get some help. My power is 110 on a 20 amp and the power cord has black white and green wires. The DC motor has red, yellow and green wires and attached is a picture of the board. I am adding a fuse and a switch to the black wire on the power wire and have connected the potentiometer to the 3 prong connector. what I am not sure about is where the red and yellow go from the motor and the black and white from the power cord. I thought the black would go to one of the "To Fuse" on the top left of board and the white to the "common" middle top of board. Then I thought the red on the motor would go to "hot" top left of board and the yellow I really had no idea. I have tried all different configurations but just cant seem to get the motor to turn. I tested the motor on a 12v battery and it works. The board lights up when I connect the black and white. Im sure this forum is for for more advanced questions
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