Sorry guys, I've got so many questions I don't even know when to stop, but you guys are doing me a real great favor. I don't know what I'd do without this forum. So, here's a simple one, though. What direction is the current flowing in the entire bikes circuit? From everything I ever learned, electricity flows from negative to positive. Negative having the surplus of electrons and positive having the deficiency. SO, when the block is "grounded" to the frame, are the electrons flowing through the frame itself, into the load and back into the positive terminal, or is it the other way around? With that answer in mind, how does the CDI work, creating the "spark", if the current flows from the frame, where does the electricity build up for this? I'm a bit confused, but I'm sure you folks can set me straight .