So this is where I am at. Ive traced the wires back from the motor.....

1 - Wire direct from Y axis motor, Green, Black, Red, Blue which go into White, Brown, Yellow, Green respectively

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2 - They then go into this relay RXM 24VDC which Im guessing switches between the Y and the 4th, plug in rotary axis.

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3 - The wires then exit and come into the controller

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