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Chris727

Polarizing a new regulator?

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Chris727
I recently got my new voltage regulator for my B110, it is an exact replacement rectangular regulator, and on its intructions , which are for GM and American Motors, it mentions "polarizing" the regulator. They tell you to: "obtain an 8 inch piece of 16 gauge or larger jumper wire. Momentarily (no longer than 2 seconds) touch jumper wire to both the armature and battery terminal. There may be a brief spark, this is normal. Start vehicle and check charging system for proper operation." Could this apply only to when installing on a car, I've never heard of anything like that? Thanks. Chris

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Dutch
As Al Eden has pointed out, polarizing a S/G is not required. (IF the tractor is wired properly.) To understand why polarization is important, read this > http://web.utk.edu/~tprather/FoothillsTractorClub/TechTips/PolarizeGenerator.html Are you sure the regulator you have (for a Delco generator) will work properly with your S/G? Anyone wanting to install a non-OEM regulator should read this > http://www.simpletractors.com/service/electrics/3_pole_regulators.htm

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debalko
I have to occasionally polarize the generator on the 9N tractor or my Model A. But that is because it uses a cut off relay. This relay isolates the generator from the battery when not putting output. Hitting the ign switch won't do it. The jumper bypasses the cut out relay for a few seconds.

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Chris727
Thanks guys. Dutch, I'm quite sure the regulator will work with my generator as the starter-generator is original and the regulator is a direct replacement. I looked at some of Al's electrical info on Simpletractors, lots of good info about starter generators, printed it out and its going in with my manuals.

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