See this video for directions on how to mount the control board to the power section. It also shows how to solder the gate resistors and the ground wires, and how to mount an enclosure:
You can also check out pages 44-46 of the help file here:http://www.paulandsabrinasevstuff.com/EVstuff%20info/Kit%20Assembly%20Directions%20Updated%20March%204,%202010.pdf
Get Ready!!! There's only one more step!