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I have a older bolens garden tractor that over charges the battery

When i purchased this tractor it would not charge the battery, so i replaced the voltage regulator and worked, but over charged the battery. i found an NOS regulator but still over charges.

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Are you sure you did not mix your wires or they were mixed when you bought it? Two of the wires that come out from under the flywheel should be the same color go to the outside spades on the regulator and the center spade is to the battery , probably by way of through a gauge and key but for test purposes it will be the wire that feeds about 13.8 DC volts to charge the battery, the two outside spades on the regulator that have wires that go back under the flywheel are ac voltage anywhere from 18 to 38 volts depending on RPM of engine . Yours is a voltage regulator, Rectifier, converts it to DC and regulates it at 13.8 volts DC

Posted on Dec 15, 2016

  • Wayne mattson
    Wayne mattson Dec 15, 2016

    there are four wires coming from the flywheel, 2 black and 3 red wires, the two black wires go to rectifier,should both red wires go to regulator side.

  • Richard Schanie Dec 16, 2016

    which engine is this, Tecumseh ? Are the points under the flywheel?



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