single fire dual plug shovelhead - HD-FXR Ordered up a new pair of 3 ohm, dual tower, dual fire dyna coils, a bitch bar with FXR side rails, saddlebag standoffs (we’ll see how that all works with the above mentioned bitch bar side covers), and a new Accell “dual plug” plug wiring kit from jpcycle. My experience with these folks my stuff will be here by mid-week. Single or dual with dual plug heads? | V-Twin Forum Its basically stock FL shovel with dual plug heads and only It is made for single fire with single plug heads. If you would like to see a wiring diagram, you can go to cranes web page and down load the From what i know the flt and the flht shovelhead bikes from 1980 to 1984 came with,depending how they were ordered of course,either a Old School Harley Davidson Wiring Diagram - Simplified DIY Click to view on Bing3:01The Wolf came up with this basic wiring diagram as he was putting this bike together from the frame up. I thought it was the coolest thing I had ever seen since it eliminates all of the switchesAuthor: Bitcoin & LitecoinViews: 84K V-Twin MFG. DYNA “S” Electronic Ignition Kit – Dual Fire PDF fileBikes with dual plug heads can use two 1.5 ohm coils wired in series (3 ohms total resistance) for race or street. Do not use the factory electronic ignition coil for street applications. Check that the rotor is not rubbing the modules or the wiring. Turn the rotor to the advanced position and release. It Shovelhead dual plug machining | Harley Davidson Forums Anyone done a dual plug on a shovelhead? Looking at doing it, but can't find a shop that seems to have a good grasp on it. It's either that or drop $2k on new heads and I'd rather not.