I'm up to date enough on the subject to know your Harley mechanic has the fuckin pamco wired wrong. The reason I asked is that how the bike was wired. If so you are trying to fire the coil thru the E advancer The Blue box color change I think they were gray boxes. Conclusion the E advancer is fried most likely. Thanks to Harley. From the picture The coil has one spark plug wire and has never been properly mounted under the tank. Electronic ignitions require both spark plug attached to spark plugs or you will damage the coil.
Simple operation Red green and black Mount coil under tank Red white off old coil to new coil red and green from advancer to proper coil terminals black to ground put tank back on set timing done.