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?
You can keep your guns,just don't point um at me please!
2013 Wee Strom AKA Miley
1986 XT350 For going places the Wee shouldn't be!