Power cord goes to whip with 3 wires. Brown there goes to black on power cord, blue goes to white, and green/yellow to green.
On the other end, red (vo+) goes to positive on one board, black (vo-) goes to negative on the other board. Then you run jumper from open negative on board 1 to open positive on board 2.
The blue and white labeled dim+ and dim- go to potentiometer for dimming.