The whole point of going to 12V is to get rid of the maintenance-intensive, unreliable (due to lack of maintenance) generator.
Why would you pay $100-$200 or more to have the generator converted when you can get an alternator for $30-$40? Yeah it's not "original" but neither is 12V.
If you get a one-wire alternator, wiring is simple:
1. Move the wire from the GEN terminal on the regulator to the BAT terminal on the regulator. There should be two wires there now.
2. Connect the wire you removed from the A terminal on the old generator to the BAT terminal on the new alternator.
Of course, you also need to reverse the ammeter leads and install a 12V battery negative ground as you normally would.
Basically my scheme just bypasses the regulator and gives the alternator a straight shot to the ammeter, which is exactly what the alternator needs.
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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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