I have a 1990 120 Johnson VRO looper outboard that has a mind of its own. The thing has ghosts in it. When it has fire it runs and idles like a new one. But am having a intermitten problem with the fire. One time it will fire, then the next time no fire. Play around unplugging wiring plugs and trying different things, finally will fire again. Fires fine for the next few trips, then next trip no fire. This has happened several times now. I have no fire now, I have replaced the power pack still no fire, then replaced the stator still no fire, then replaced the timer base still no fire. The flywheel magnets are in good shape. So my question is what else is left in the iginition circuit that I haven't replaced? Can the regulator/rectifier cause a no fire condition? And thought about the wiring harness, but when I replaced the power pack, stator, and timer base I pretty much replaced the wiring, correct?