Posted by John T on June 22, 2021 at 06:42:03 from (45.16.200.171):
In Reply to: Re: Ammeter??? posted by 55 50 Ron on June 21, 2021 at 19:14:54:
I agree Ron, ONLY the charging current INTO the battery as well as the discharging current OUT of the battery such as lights, ignition and other small loads etc flow through the Ammeter NOTTTTTTTTTTTT the starter current which may be hundreds of amps UNLIKE maybe 0 to 20 or 30 or so amps typical (other then starter) in an old tractor.....
BOTH an Ammeter (measures current flow maybe 0 to 20 or 30 or so amps in an old tractor) PLUS a Voltmeter (measures battery voltage) are handy to have even though most old tractors only use an ammeter
To each their own is fine by me use whatever you like one none or both lol
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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