kenneth house , You are partly correct, A "1 wire" 10SI alternator can lose it's residual magnetism which prevents charging. You do NOT polarize the alternator, you "field flash" it by momentarily jumpering the #1 regulator terminal to battery voltage, usually from the #2 regulator sense wire or BAT stud on the alternator rear. I doubt that is the problem in this case, as the parts store testing the alternator should have flashed the field.
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Today's Featured Article - George's Fordson Major - by Anthony West (UK). This is a bit of a technical info to add on to the article about George's Major in the "A Towny Goes Plowing" article. George bought his Major from a an implement sale about 18 years ago for £200.00. There is no known history regarding its origins or what service it had done, but the following work was undertaken by Harold alone to bring it up to show standard. From the engine number, it was found that the major was produced late 19
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