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SW Ohio | Jon, I agree with you on most points, but if you moved the "sense" terminal out to a buss bar or other 12 volt point away from the alternator wouldn't that use more of a real world voltage for regulation? Also on many systems like this I think the coil is fed full 12 volts ( bypasses the resister ) for starting.
Although the light is a standard way to excite the alternator, it can fool you if the light burns out. No excitation no charge! Found out the hard way on a Jeep many years ago.
Dave | |
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Wiring a GM 3 wire alternator
