I was just pointed in the direction of a fantastic help manual/pdf concerning Harley Davidson wiring diagrams - and it deserves a repost.
Rewiring a bike can be a pain in the proverbial, and finding a fault somewhere within even harder at times! So, thanks to John Siebenthale, here's a handy link to his FREE pdf designed to make H-D wiring
http://www.siebenthalercreative.com/pages/how-to/HD-wiring.html