Ok, I just got my '58 MS-50 running like a champ, but I can't figure out the wiring. The tail light and brake light work fine, but the headlight doesn't work and the horn switch kills the motor. Strange huh? I know the headlight switch works because it kills the tail light when I turn it off. I don't really know where to start, since I don't have a diagram. I just bought an old manual and the diagram is different. Thanks everyone.