Originally Posted by XDragRacer
The Generation 1 alternator has enough "juice" to power the FAT BOY H4, in my experience.
If you use a relay harness, a solid, low-resistance frame ground connection near the headlight socket is essential.
Do you need the relay harness?
What would you do if you weren't afraid?
I used to do drugs,I still do drugs,but I used to too!Mitch Hedburg