i'm going to hit the starter to the purple starter selonoid wire in my stock harness, other than that...i can't find 12V's that are only tehre when the truck is in run/start mode...not acc. can anybody tell me a wire in the stock harness that would have this that i can tap into for my HEI dist....once i get that hooked up, she should be ready to start...which is what i wanna do tonight. can anyone help??? i don't have a test light and wanted to get her runnin tonight. also, can i fire it w/o headers???? or will it hurt the plug wires in some way????