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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Troubleshooting (Poor Starting/Running/Handling/Ride Issues) » Archive through February 28, 2007 » Voltage Regulation... « Previous Next »

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Phantom5oh
Posted on Monday, November 13, 2006 - 11:40 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Background Info: I have a 2005 XB12Scg with about 5000 miles on it. It has a Drummer SS and the Race ECM.

In August I started blowing headlight bulbs, 2 sets to be exact. I consulted my manual and ran a voltage regulator test. Turns out I had a bad VR. I bought one from Daves and put it in. When I tried to start the bike and I barely got anything from the starter. I guess riding the bike with 17 plus volts didn't do the battery any good. So I ordered one of those from Daves and once I put it in, the bike ran awesome!

The next day I sprained my ankle, so I haven't ridden the bike for almost a month. On Saturday I went to ride it and I notice that the headlights are dead again. ARGHHHH

I can't find the service manual, so I just hooked a volt meter to the battery while it was idling and I was getting about 12.7 volts. When I revved it up to 2500 I was up to 16+ volts. What the heck!!! I only have about 5 miles on the bike since I replaced the voltage regulator and battery!

It seems like the VR is dead again! Any suggestions on what and where to look? What could be causing this.

Help!
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Ejc
Posted on Tuesday, December 12, 2006 - 06:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

There's a thread in the Big Bad & Dirty section where a Uly owner had VR trouble and found it was the connector. Apparently, there are little prongs that can get displaced or lose contact with their female counterparts.
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