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Author Message   Buellboy492 Posted on Thursday, August 25, 2011 - 10:21 pm:        2007 XB9SX. I keep blowing headlights, both high and low, after only a short time. I assumed a voltage regulator problem, but realize I am no electrical engineer. Is there a stepwise procedure to follow? I understand the following components are suspect: Stator, voltage regulator, and the "77" connector. I need help diagnosing. I have a multimeter and a decent set of tools.   Terrys1980 Posted on Thursday, August 25, 2011 - 10:36 pm:        http://www.badweatherbikers.com/cgibin/discus/sear ch.cgi<---All your answers are here Seriously it's been covered a dozen times in the last week....   Froggy Posted on Thursday, August 25, 2011 - 10:52 pm:        Yep you are on the right path, but I would start with the Voltage Regulator and/or 77 connector, thats the usual culprit for over voltage conditions.   Buellboy492 Posted on Friday, August 26, 2011 - 10:24 pm:        If I order a voltage regulator, will it come with an upgraded connector that won't fit my old connector? Do I also need a connector service kit to upgrade? Thanks for the speedy response! You guys rock!   Froggy Posted on Friday, August 26, 2011 - 11:07 pm:        The new regulators come with the new connector, both male and female ends, so you can retrofit your wiring harness. Problem is going to be crimping it, my understanding is that it isn't something a normal crimper will take care of.   Buellboy492 Posted on Friday, August 26, 2011 - 11:42 pm:        I think I will then order the new regulator unless it is super pricey. Deal with crimping and or soldering as needed. Part number handy? My dealership "has trouble" looking up Buell numbers.   Buellboy492 Posted on Friday, April 13, 2012 - 11:10 pm:        Update: At the beginning of September I bought a new voltage regulator and installed it. The headlights stopped burning out, but only because the bike stopped running. It would not charge. I had many other projects going and old man winter took over. Fast forward to spring in Michigan. Harley parts man tells me it must be a bad battery, after all, it was 5 years old. New battery,($120) and it still just died after a few minutes, not charging. I gave up and let the dealer have a shot. That was over a month ago. They decided I broke the VR (my fault-no refund) and installed a new one. ($368) The bike sputtered and stalled halfway across the parking lot. Back to the dealer. They told me today the problem was the new VR they installed and need to order another one. Now to wait 10-14 days, then they will try again.   Reepicheep Posted on Sunday, April 15, 2012 - 10:41 am:        Sounds like a lot of people throwing money at a problem they don't quite understand.   Bradman Posted on Friday, June 08, 2012 - 09:54 am:        Dude you gotta post the end result I am having the same headlight issues on my 06 1200 SS and was going to get a new voltage regulator.   Reepicheep Posted on Friday, June 08, 2012 - 12:43 pm:        If it were me, I'd put an oscilloscope on the headlight leads and watch what the voltage does over time.   Radon30 Posted on Friday, June 08, 2012 - 04:27 pm:        Quit landing wheelie's so hard, the vibration is knocking out your bulbs

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