Battery Trouble
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Stage I
Joined: Jun 2011
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Battery Trouble
Need help please. I bought a new battery for electra-glide. My light kept coming on so I thought it wasthe battery. Put the new one in, rode today and the light came back on. Any suggestions as what it might be? This is my first Harley, so I am not familiar with them. Thank,
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
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From: Phoenix '53, '88, '09 Big Twins
all the checks are outlines in the service manual ( available at the dealer, it'll pay for itself quickly).
If you are handy with a voltmeter, you can determine where the fault lies- and the fix.
it could be as simple as a loose wire, the regulator, or the stator ( kind of a big pain to remedy).
If you think you might end up at a shop, it may be best to not do anything yourself- that way the underlying causes of the fault might be more easily found and remedied by the tech.
If you think you are ready to dig in, the entire process is walked through here ( on the tech forum):
https://www.hdforums.com/forum/elect...m-problem.html
mike
If you are handy with a voltmeter, you can determine where the fault lies- and the fix.
it could be as simple as a loose wire, the regulator, or the stator ( kind of a big pain to remedy).
If you think you might end up at a shop, it may be best to not do anything yourself- that way the underlying causes of the fault might be more easily found and remedied by the tech.
If you think you are ready to dig in, the entire process is walked through here ( on the tech forum):
https://www.hdforums.com/forum/elect...m-problem.html
mike
Road Master
Joined: Dec 2007
Posts: 1,018
Likes: 1
From: cd. Obregon, Sonora, mx
There are 3 reasons why your battery dies. 1) its old, 2) cables are loose, 3) problem with the charging system. Since you replaced the battery and I have to believe you tightened the cables and cleaned them, your problem is with the charging system.
Basicly there are 3 parts to the charging system. 1) battery, 2) voltage regulator, 3) stator and rotor. You can rule out the battery, so it is either the voltage regulator or your stator/rotor. You can check the stator by pulling the connector from the voltage regulator. With a volt meter set to AC volts, start your bike and place the probes of the volt meter in each of the connector sockets of the stator. At 2000 RPMs, your stator should be putting out 42 volts AC. If not replace the stator. If your voltage is 42 volts, re-connect the plug to the voltage regulator and set the volt meter to DC volts. Check your battery with the bike running. The volt meter should be reading between 13.5 - 14 volts DC. If not, replace the voltage regulator.
As others have said, buy the service manual from the dealer. I've used the clymers manual on other bikes and I think they are a waste of money.
Basicly there are 3 parts to the charging system. 1) battery, 2) voltage regulator, 3) stator and rotor. You can rule out the battery, so it is either the voltage regulator or your stator/rotor. You can check the stator by pulling the connector from the voltage regulator. With a volt meter set to AC volts, start your bike and place the probes of the volt meter in each of the connector sockets of the stator. At 2000 RPMs, your stator should be putting out 42 volts AC. If not replace the stator. If your voltage is 42 volts, re-connect the plug to the voltage regulator and set the volt meter to DC volts. Check your battery with the bike running. The volt meter should be reading between 13.5 - 14 volts DC. If not, replace the voltage regulator.
As others have said, buy the service manual from the dealer. I've used the clymers manual on other bikes and I think they are a waste of money.
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