Are these parts compatible? The Crane Hi-4 ignition has three wires that matter: black for the front cylinder, white for the rear cylinder and red for the center threaded post on the back of the coil. Crane coils (model #8-3001) have three threaded studs on the back, The Screamin' Eagle coil I got cheap on eBay has only two threaded posts, and therein lies my confusion. My question: if these components are in fact compatible, where do I attach the read wire from the Hi-4 ignition installed behind the cone on my 1996 1200 Evo Sportster motor? thanks for your help, and sorry for my rookie question...