Hi Dave, Here you go, good luck and let us know. John

1. First generation DMD gearboxes (no black plastic covers) are wired in my Sherman as follows:

a. Sherman right side gearbox, no black plastic covers:
yellow to orange
green to blue

b. Sherman left side gearbox, no black plastic covers:
yellow to white
green to purple

2. NOTE second generation DMD gearboxes (with the black plastic covers) are wired as follows:

a. Right side gearbox with black plastic covers:
yellow to purple
green to white

b. Left side gearbox with black plastic covers:
yellow to blue
green to orange