It actually takes two wires- - - -one from the big battery terminal, and another one from the ignition switch. Either run an idiot light or a resistor on that one to protect the regulator from overloading. I found several wiring circuits for that modification with a quick Google search.
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!