GL1200 Electrical Power Fade

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Put a voltmeter on it at the battery and check its out put from 1500 to3500 rpm, should get 14 volts or so from it. If not i would say stator getting weak.

Someone will be along to giveyou better instructions than these soon.

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You may have a short too, disconnect your negative battery cable and take your meter and touch the neg post with one lead and the frame with the other lead, if you have 12+ volts than you have a short somewhere.

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Could have a corroded main ground cable where it connects to the engine . Corroded or burned stator connector, the three yellow wires from the stator. Even a number of dirty connectors combined could cause this. A corroded battery cable or a bad battery.

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Check the connector with 3 yellow wires under the left side cover. It is probably burned and getting hot causing high resistance after a few miles. If the plug has not been cut out and the wires soldered together, then this should be done before permanent stator damage occurs.

John