This sentence is correct ONLY WHEN generator CHARGING current has pushed the battery voltage so high as to no longer call for charging (typically ~14,4 volts); "The F terminal relay in the regulator is in an open position so there will be no voltage applied to the field coil by applying voltage to the A terminal of the regulator". Just as in the "A" VR, the field contacts in the "B" VR are closed in a static non-running situation, therefore appling 12v ( or 6v in 5v system) to the ARM terminal WILL in fact push current through the field coils. Note: the same is true of field contacts being closed at rest in both the "A" and "B" ckt VRs AND both will be carrying field polarizing current when voltage applied to the ARM terminal..........power path in "B" ckt & ground path in the "A" ckt.
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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