I recently bought and installed this G38 on my Giant Big Stick. I'm wanting to install a kill switch, but would like some input on how to do this. This is my first magneto engine. Common sense tells me I can buy a switch at RadioShack and connect one side to the end of the red wire, then the other end to a bolt on the crank case or engine mount. Am I correct?? Anyone who has experience with this engine, please share a pic of your install, or just tell me if I'm ok to go with my idea. I was going to buy a toggle switch at RadioShack today if that's all it needs.. Thanks, guys.

You are correct .. Shorting the black wire at the front of the coil to ground will kill the engine . It looks like someone has already added that red wire to the black wire . Connect the red wire to one side of a toggle switch and the other side of the switch goes to ground on the engine .

That pretty much somes it up. If you cant get the engine started, reverse the wires.

Thanks, guys. I did it a couple of days ago, and everything worked great!