Bonneville America Forums Forums Technical Forums General Tech Headlight Dims When Bike is Revved up

I was getting 13.8 v at idle and 12.04 at 3000 rpms lights dim out. Well I almost bought a new one and decided to hookup another battery. Guess what; the positive wire was loose tighten it (and the negative just in case) walla!!!!! 13.5 at idle 14.6 at 3000 rpms. Kis.