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Cloud_Dancer's avatar
Cloud_Dancer
Explorer II
Jul 27, 2016

(FINAL Update )...Alternator voltage too high, question

Mine is a 2003 Spartan chassis, 8.3 350HP Cummins engine, Leece Neville HD alternator with integral voltage regulator. It set at the lake for a month, hooked up to shore power, and I went to check it ...
Kayteg1's avatar
Kayteg1
Explorer II
Jul 27, 2016
ALL VR I have seen are replaceable.
I know shops don't like to replace $40 VR and will rather take their mark-up on $1000 alternator, but smart owners will not fall for it. Alternator bearings last very long time and the only wearable are brushes.
Going back to the voltage, double check it. Occasionally on discharged batteries the voltage can go high for some time, but for normal operation above 14V will shorten battery life.
Also confirm dashboard gauge with different one.

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