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Discussion Starter #1
2004 fatboy. Getting an intermittent battery/check engine light with a no charge. May ride it for 2 weeks with no problems and then it may happen daily. What is the most common problem? Regulator or ????
 

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Just Ride
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3,254 Posts
Regulator, Softail are known to have problems with them cause of heat.
 
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Retired citizen
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23,355 Posts
Simple charge system diagnostics before throwing parts at the bike. Check all connections and obvious stuff.
Check the stator for shorts or open circuit and AC output with a multimeter. If the stator tests good then it's most likely the regulator.
 

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Discussion Starter #5
Thanks Schmidty. All connections are clean and tight. Just hard to test an intermittent bad part. I have a regulator on the way. Cheaper and easier than the alternative. Hoping it will act up so i can test while having a problem.
 
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