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    B7800 IC Regulator smoking, literally smoking

    I will check it out! I was actually surprised to find that the tractor will start and run without the regulator being connected and installed. That takes some of the heat off -- I can use it and just hook the battery up to a charger as needed. I just want the few gauges and other dash...
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    B7800 IC Regulator smoking, literally smoking

    Thanks, Henro. Mine is definitely a dynamo -- not an alternator. Wish it were an alternator with internal voltage regulator because I think they're more reliable and simpler overall. However, I followed another thread and looked up a few of the parts needed to convert and it looks like that...
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    B7800 IC Regulator smoking, literally smoking

    Great!! Thanks again! I'd seen confusing references to dynamo leads on various fix-it web sites. I'll quit worrying about that and get the voltage regulator replaced. Once again, MUCH appreciated! Jim
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    B7800 IC Regulator smoking, literally smoking

    Thanks, Dave! I still have one question. The dynamo has two wires coming out of it. They're both the same color. They connect using a could of quick-connects to two wires (same color and same connectors) that run up to the firewall and into the dash panel. None of the wires are marked...
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    B7800 IC Regulator smoking, literally smoking

    Just to clarify -- the smoke (which was considerable) and the damage that I refer to was limited to the voltage regulator and the wiring pigtail coming out of it. The modular plug was not damaged, but the regulator housing and internal electronics were certainly hot enough to melt components...
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    B7800 IC Regulator smoking, literally smoking

    Hi. I'm having exactly the same problem. I have a B2910 (essentially the same tractor) where the regulator started smoking and actually had small flames before I could get it put out. The visible damage on mine is mostly where the wires exit the housing. I too had recent problems where the...