Posted by wore out on May 02, 2022 at 08:07:01 from (64.255.159.199):
In Reply to: ammeter posted by woodysgarage on May 02, 2022 at 08:00:19:
You must not have liked the replies you got at the Ford Forum?
I replied with what I considered was an all-inclusive reply, ranging from operator perception, to the quality of today's parts, and mentioned what checks you can make on your charging system.
What did leave out?
"A certain amount of Ammeter "flickering" IS often "normal", and was when these machines were new.
Alternators with solid-state voltage regulators have been around so long there's a generation or two that doesn't remember how things used to be.
By nature, the old mechanical regulators are not as accurate/"steady" as what folks have grown up with, or if they did they are so uncommon anymore memories have faded.
Also, there used to be HUNDREDS, if not thousands of voltage regulators by part number, VERY closely matched to the generator they were intended to be used with.
Nowadays, a few generic units are sold as replacements for all those specialized units. That, in itself probably means regulation has become more "rough".
Quality, USA-made Ammeters were often "damped", made to smooth out fluctuations a bit and keep the needle more steady.
Not so much anymore with the cheap-made generic units sold today.
It certainly doesn't hurt to check that the generator's commutator and brushes are in good condition, check for loose connections, and verify that the generator AND VR are well grounded. Many tractors or vehicles used a ground wire between the "frames" of the generator and the voltage regulator to ensure that they are at the same ground potential, IIRC, yours should have one.
Beyond that the bottom line is, if your old generator charging system is keeping the battery charged, you can probably safely IGNORE it's imperfections."
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