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Needing some serious help here. Recently had my alternator rebuilt. Put it back on last night and I am getting too much voltage. Engine will run for about 30 seconds until it trips the 50A breaker on the back of the engine. When I put the key in the run position the voltage reads around 11 volts, but as soon as it starts the voltage reads around 15-16 volts, which I am assuming is causing the breaker to pop and immediately shuts down the engine. Any help would be greatly appreciated!!!
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I would take it back to who rebuilt it or buy a 100amp alt kit from white lake sounds like u have a faulty voltage regulator internal in alt -
93nautique is right the field windings are grounded causing it to put out max voltage. Check your connections if they are correct take it back to the re builder.Comment
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Took the alternator back and they replaced the voltage regulator. Running like a champ now!! Thanks a ton 93 and Nautique!!!
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