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Old 10-27-2012, 07:23 PM   #6154
offworlder
Gnarly Adventurer
 
Joined: Sep 2010
Location: Vancouver, Canada
Oddometer: 255
Originally Posted by offworlder
Replaced the headlight bulb in my 2010 690, thinking the old bulb had simply burnt out. The new bulb fired up for a few seconds then quickly died. Checked the voltage at the (lighting wiring) terminals, seems solid, non-intemittent; approx 12+ volts with the engine off, and 14+ volts with the engine running, no shorts between the high and low beams, etc...

Any ideas from the collective ?


Quote:
Originally Posted by Roadracer_Al View Post
Have a look at the regulator, loose grounds, intermittent shorts - look specifically for rubbed insulation. The latter two can cause voltage spikes.a

Seems strange that the parking light, signals, etc... are all fine (as they use the same fuse as the headlight)....
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