K, I've seen it done well on VH's web page, but no how to yet, but I asked some one, they suggest go to junk yard/ car parts place, and get an Ignition from a car, that has a bunch of terminals. Last one should be a momentary, like a car when you first start it, you turn it all the way, and the starter motor fires it up then it springs back, but while your turning it to that position it kicks on power to other sub systems, like lights and heat, so you could wire your case to kick up your fans ahead of time, or if you have like a light in the case, all kinds of ideas and things to try