This is the problem, I completely rewired my 77 ironhead. it was a total mess when I got it a few summers ago. It turns over fine. I have no spark at the plugs? I have a Dyna dual fire ignition & coil, I tried a new coil with the same results. I have checked to make sure I have power going into the coil and the other end is grounded. That is fine! I have enough volts at the coil, kill and ignition switches are good! I no longer have any ideas!!