There is also a Gold Wing Alt that is cheaper from the stealer.
If memory serves me correctly about 3/4 way down on right is the substitute alternator.
http://www.jkozloski.com/generic_parts.htmSave this in your favorites, it has been very helpful in my usage of it.
Also, Jeff K knows these bikes inside and out. He currently has a Fuelie/blower bike he built. Runs like a scalded dog if he wants to jump on it.