The original system used an external regulator. the system is not as reliable and controlled as the internal regulated Delco SI10 series alternators. Were it mine, I would use the newer Delco alternator with internal regulation. The charge light can be used (See diagram) if the resistor and lamp are both good. The connection to terminal 4 of the existing regulator is disconnected and extended as needed to attach to the spade terminal #1 of the Delco. The #2 terminal of the new Delco is connected to the wire now connected to the #3 connection on the old regulator. Both of these can be with 14 gauge wire. The heavy wire on the original alternator's BAT terminal is connected to the new alternator's Bat terminal. The original regulator can be removed. It is pretty simple. Jim
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Today's Featured Article - Gettin My Old Tractor Home - by Clayton Sweeney. My name is Clayton Sweeney. I am from Southern Maryland in a small town called Lothian. I am 20 and my father and I are the proud owner of a 1954 Allis Chalmers WD-45. When I was 18, I dated a girl in the next county over. Her family are tobacco farmers. It was a cold Thanksgiving evening, and we were going up to her Grandparents house. As we passed one of their barns, I noticed something orange in the corner of my eye in this old shed. It was pretty dark and I asked what it was
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