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engine an battery light keep coming on

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Old 11-26-2009, 08:06 PM
dogit56@aol.com dogit56@aol.com is offline
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Default engine an battery light keep coming on

can you give an idea were to check y does my battery an engine light come on its charging at 14+ with a new battery but the lights keep coming on an then go off in a little while .
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Old 11-26-2009, 08:46 PM
EdwardK EdwardK is offline
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Check the voltage regulator. Mine did the same thing when it went out. Bike ran fine and always started but would through a low voltage code. I thought it was the battery as well but turned out to be the voltage regulator.
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Old 11-26-2009, 08:47 PM
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hojones hojones is offline
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Before you get to serious about it, Check your battery connections and make sure they are tight.
H.O. Jones
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Old 11-26-2009, 11:34 PM
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EasternSP EasternSP is offline
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+1 on the battery connections. They must be tight on the battery as well as the ground connection on the starter mounting point.

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Old 11-27-2009, 12:55 AM
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DZLDR DZLDR is offline
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Originally Posted by EasternSP View Post
+1 on the battery connections. They must be tight on the battery as well as the ground connection on the starter mounting point.
+1 on that
if those are tight, then the voltage regulator is going out
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Old 11-27-2009, 01:13 AM
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SA315B SA315B is offline
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I have a similar problem but when my lights come on the voltage has dropped to 8, then 15 or so minutes later it will climb up to almost 14 and the lights go away. Or, if I shut the engine off and restart the voltage returns to normal.

Also, the check engine light will come on during or after a start and take 5 -15 seconds to go away. I just had a major service done and the dealer couldn’t find anything wrong with the battery or charging system. I have a photograph I showed to the dealer which shows the lights on and volts down to 8 @ 2,000 RPM. The bike is moving but the speed isn’t clear.
1977 FLH
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