First off any alternator in the 60s and early 70s used an external V.R which you do not want. The ones on like I said a 1980 Chev pick up had the internal V.R which you do want. The 2 wire plug has markings of #1 and #2. The #2 goes to the bog stud on the alternator and what it is is the sensing wire for the VR which tells the alternator VR when to shut off. The #1 wire is how a person turns the excite circuit on. But you need the diode I told you about or the alternator can/will back feed the ignition so you can not shut the engine off
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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