There are a half-dozen tutorial videos on YouTube showing how to do it. I used the Turnigy "kit" but added a 12v toggle switch to turn it on or off once the master switch is on.
https://www.youtube.com/watch?v=8E_8HNWm0V0
Also excellent written instructions here:
http://www.helifreak.com/showthread.php?t=339313