While not completely open. The resistance between the the VR's Arm and Bat terminals is very high. In the meg ohms. Yet wnen I grounded field term and jumped Arm post to Bat on the regulater I still did not see a charge. I actually saw a slight drop on the ammeter when I grounded the feild terminal. That did not change when I jumped the Arm post to the Bat on the VR... The generator does motor....the battery is starting the tractor and will charge on a battery charger. The tractor is now wired per the diagram that was shared in this discussion. Any thoughts before I buy a new VR to try?
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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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