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Electrical question...quick one

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Old 06-08-2009, 09:29 AM
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Default Electrical question...quick one

How can i tell if i am running straight off battery and not off charging system like its suppose to...
 
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Old 06-08-2009, 10:36 AM
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In a car you can disconnect the battery after it is running and the alternator will keep it running. If it dies then you know you are running off of battery power cause the alternator won't keep it running. As for the DS I'm not sure if you can do that because the DS seems to be so dependent on the battery.
 
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Old 06-08-2009, 04:23 PM
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With the key off check your battery with a multimeter. Should read around 12 volts. Key on, hit start, voltage should drop to around 9.5v. After the motor is running voltage at the battery should hold steady around 14.25.
Hope this helps...
 
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Old 06-09-2009, 11:40 AM
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Will that tell me if im running directly off battery or if charging system is working
 
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Old 06-09-2009, 11:53 AM
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if you were running off of battery alone there wouldn't be a way for the battery to go from 12V to 14.25V if it wasn't charging.
 
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Old 06-09-2009, 04:21 PM
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Ditto. If you were running on battery alone you would see it drain and not recharge. The 14.25 is the system operating as it should.
 
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Old 06-09-2009, 04:48 PM
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Oh..so if i start it and let it run for a while and the volts drop and drop then its running off bat...

Side note.....lost my aux lights also...wtf
 
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Old 06-09-2009, 09:59 PM
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Yes, and eventually it won't rise enough after sitting awhile to even restart your bike. It will just stay drained. Are all of your fuses good, and your grounds good? Connections tight? Anything aftermarket tied into the elec system?
 
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Old 06-10-2009, 08:58 AM
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No extras tied in...sanded all grounds down(powder coat)...gonna recheck fuses...
 
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Old 06-10-2009, 12:28 PM
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Probably a bad regulator/rectifier assembly
 


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