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Nippondenso 80 amp Reulator Same as Nippondenso 100 amp Regulator? 900

posted by  jd620 on  Mon Oct 9 17:41 CST 2023
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last visit: Fri Oct 17 07:42 CST 2014
[RELATED]

I have a 100 amp alternator which drained the battery overnite. I replaced the alternator with a spare which had the same numbers on the tag i.e. 3544119, 101211-8632, 14V-100A and all is fine on the 1993 940.

I also have 3 80 amp Nippondenso alternators from 240s and 740s I have had.
I am wondering if the regulators are the same so I could resurrect the failed 100 amp with the 80 amp regulator?

I am assuming the failed alternator has a bad diode in the regulator which caused the parasitic current drain.

Thanks-Glen
--
Mine:3-940s running; dtrs:4-940s running






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