Yes, it just doesn't work very well, and sticking the cutout relay points was one of the possible, and likely problems a wrong-polarity regulator would cause. BTW, a generator will work with either polarity. It just has to be polarized pos. or Neg. when it's installed.
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!