On a farmall with no original lights, the cutout relay had (or has) a third terminal. this is labeled F. it connects to the Field terminal on the gen. It is a fixed wire wound resistor directly to ground. This system allows the generator to charge enough to keep the battery charged but that is all. It does not change the charge rate. With a Magneto, and with no lights the charge rate is usually about 7 volts. Maybe a little less. If your cutout has no third terminal it is the wrong one. If your tractor has a voltage regulator it would be attached in a similar manor to the 3 terminal cutout. It might have a 4th terminal which would be an L terminal standing for load. (it would poewer the lights and ignition (if it had a points and coil type ignition.) Jim
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Today's Featured Article - Identifying Tractor Noises - by Curtis Von Fange. Listening To Your Tractor : Part 3 - In this series we are continuing to learn the fine art of listening to our tractor in hopes of keeping it running longer. One particularly important facet is to hear and identify the particular noises that our
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