If you're not completely finished with the wiring installation, you can also just connect a jumper wire to the battery + terminal, and touch it to the armature terminal of the generator momentarily. It accomplishes the same thing as running the current through the wiring harness from the generator to the regulator.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!