Quote:
Originally Posted by andrewwynn
..........they said it should stay down regardless of RPM. If the voltage swings from RPM the VR is not doing its job.....
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Not sure who "they" is, but this is wrong. The alternators out depends on two things, excitation current provided by the regulator to the field coil and alternator speed. This is why system voltage rises with engine speed. Most alternators cannot produce full 180/220 amp output at idle speed.