Posted by t.r.k. on July 30, 2019 at 09:21:51 from (71.71.248.169):
In Reply to: Voltage too high posted by Tree-Farmer on July 29, 2019 at 21:14:29:
I wouldn't worry much about about the AC voltage from the stator. it is above the 28v minimum. I would check that the voltage regulator is grounded well, as has already been stated. it would not hurt to added another known-good ground to the regulator.
Then I would start the engine and check with my from the battery neg. to the output post on the regulator. The output post is the one where the wire goes to the chassis wiring harness. It should be something over 13v and no more than 15v. That would mean that the regulator is doing it's job and the no=charging issue is somewhere else in the wiring harness.
It is also acceptable to run a jumper wire directly from the regulator output to the battery + cable and measure the charging output across the battery posts. The thing to be aware of is the diodes in the regulator have to be in good shape, or the regulator itself will kill the battery while it sits around.
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