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Thread: 1150GS Adv dim Headlight

  1. #1

    1150GS Adv dim Headlight

    The headlight on my 2005 1150GS Adv is dim, almost out. I'm guessing I need to replace it. This is my first bike in 30 years and at this point I don't even know enough to be dangerous.

    2005 1150GSA

  2. #2
    Registered User roger 04 rt's Avatar
    Join Date
    Oct 2011
    Florida & Massachusetts
    It is very possible that you have a poor ground connection at the headlight. There is a common ground for hi beam and low beam.

  3. #3
    MOA #24991 Pauls1150's Avatar
    Join Date
    Apr 2008
    south of Los Angeles
    Wayne, is the issue with both the High and Low beams? That info might narrow your troubleshooting (per Roger's post).
    There could also be corrosion or wear in the socket (some of them melt), and the factory is certainly not known for using large wire (for current-carrying capability) or applying stress relief (building in enough free play to allow for vibration & turning the bars).
    If you go for the bulb, keep your fingers off the glass (deposited skin oil will create hot spots that will shorten the bulb's life) and handle the socket with care (factory originals can be fragile).

  4. #4
    It's only the low beam, high beam works normally. Thanks for the heads up.
    2005 1150GSA

  5. #5
    Registered User dieselyoda's Avatar
    Join Date
    Mar 2013
    Winnipeg, MB, Canada
    Not wanting to sound like a smarta__ but it's just an H1 bulb, about $6.00 CDN. Did you try another bulb? You got a whole pile of great opinions here but in my experience, when our equipment operators complained about lights, we changed the bulbs first. I think I have a bunch in my stuff and could send you a handful if you lived in Canada. The bulb for your bike is Xenon, I think, not halogen and it isn't an HID. The Xenon bulbs we used have a blue tinge to the glass to distinguish them from the halogen. The blue is otherwise useless. Last time I bought a pack of them, they rounded out to about $12.00 a bulb. Just for perspective, $12.00 is 10 minutes labor/door rate.
    1997 R1100RT (Restored Basket Case) , 1981 KZ 440 LTD (Restored Basket Case, my baby, fast, fun)
    3xR90/6, two just sold, one for a sidecar. 1983 K100RS (Cafe now)
    Very Rough R80RT. 1987 K1100RS (freaking hooped I think)

  6. #6
    I think I will try the bulb first, even if its not no big loss.

    2005 1150GSA

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