Question about 2003 Harley Davidson FLHTCUI Electra Glide Ultra Classic
Bike has always charge somewhat high (14volts +) but this year when I went on my first ride about 3 weeks ago it was normal charge at idle but when riding it looked pegged at 16 volts. Majority of opinion seems to be regulator. A friend that had a charging problem says when his compensating sprocket came loose (as mine did a few months before his) it wore the inside of the rotor (charging system on brakes) and may be effecting the quality of his charging system. He suggested that could be part of my problem as well. Others seem to think that would cause DIScharging not overcharging. Any suggestions, or opinions?
14v is not overcharging. 16v is pushing it. I'm with the regulator opinion, but I would also load test your battery. If the charging system thinks your battery is low it will try to compensate by putting out max voltage, putting additional strain on the regulator, which in turn overcharges the battery... creates a vicious cycle. Is the regulator in a spot where it gets quite warm? They have a tendency to overcharge when hot. If that is the case, try relocating it or directing more airflow over it.
Posted on Jun 26, 2009
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Posted on Jan 02, 2017
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