Does your battery polarity match the regulator polarity. A regulator should be marked "positive ground only" "negative ground only" or "works with positive or negative ground". A regulator marked positive only or negative only in a system set up the opposite way will shorten the life of regulator contacts.
You can buy a Delco alternator (early to mid 80's GM vehicle) cheaper than a regulator. Use the 3 wire set up.
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Today's Featured Article - Product Review: Electronic Ignition - by Staff. Oil, for example has come a long way in the last 50 years and I don't use anything but the latest API grade available. I've heard the arguments for non-detergent oils but would never trade it for today's formulations. Paint is another, the modern acrylic enamels are great for resistance to grease and fuel stains, retaining their shine and they last forever; unlike enamels and lacquers . Still another is the alternator. No doubt using the original generator keeps the tractor pure, but for thos
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