First of all its the Generator NOT the Voltage Regulator that gets Polarized.
1. Did I destroy the "pricey" USA made voltage regulator by installing it on a tractor with incorrect wiring ? I realize now that the "L" terminal on the regulator is the source to supply voltage for lights or ignition. Would running power from the amp meter to the "L" terminal cause damage to the regulator or generator
I cant say how the incorrect wiring was configured so cant answer that question HOWEVER one way to harm a Voltage Regulator is if the genny were incorrectly polarized and you start the tractor.
I doubt running power from the L terminal to the ammeter damaged the Voltage Regulator
2. Why did the first regulator I installed a few years back, work for a while and then give out instead of just frying like this last one ??
If a VR is designed specifically for one ground and you use it at the opposite the contacts can be harmed. The Delco literature Bob posted explains some of that. A VR needs a good ground to work, I just cant say why yours fryed.
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Today's Featured Article - Old Time Threshing - by Anthony West. A lovely harvest evening late September 1947, I was a school boy, like all school boys I loved harvest time. The golden corn ripens well and early, the stoking, stacking,.... the drawing in with the tractors and trailers and a few buck rakes thrown in, and possibly a heavy horse. It would be a great day for the collies and the terrier dogs, rats and mice would be at the bottom of the stacks so the dogs, would have a busy time hunting and killing, all the corn was gathered and ricked in what we c
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