The Voltage regulator IS NOT what gets/needs Polarized its the Generator that requires Polarization so it matches the batteries Polarity (+ or - ground) to charge it.
HOWEVER some VR's wont work correct at the wrong Polarity i.e. they may be for Pos or Neg ground and if its a Solid State VR it needs to be for a specific ground, usually Neg.
THEREFORE if the VR is for Neg ground ONLY and, of course the battery is installed at Neg ground, the Genny needs to be Polarized at Neg ground BEFORE starting.
A typical tractor DC genny can work at either polarity once polarized, you just need a VR that works at the polarity you choose (some will work at either many not so) and have the battery installed to match.
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Today's Featured Article - Show Coverage: Godfrey, Illinois Country Days - by Cindy Ladage. Except for last fourth of July's Old Gold show in Springfield, Illinois, I don't remember when it was so hot. Nevertheless, the heat didn't keep vendors and visitors alike from enjoying the third annual Country Day's Event. Jane Elliott said the event was originally a one man show. "Barry Seiler, owner of Country Town Farm Supply store used to invite people up to the Johne Deere store. He would give hats and a free meal for everyone that brings a tractor." Elliott said while this
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