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Thread: 2019 850 GS Brake light wire

  1. #1
    Registered User C7Driver's Avatar
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    2019 850 GS Brake light wire

    What color is the brake light wire on this bike?

    Thanks in advance....
    Ken Bowen--2019 BMW 850 GS
    MSF RiderCoach-Retired
    BMWMOA 104748
    Kerrville, TX

  2. #2
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    Brake lead is Grey/Black with yellow dots. Taillight lead is Grey/Red with yellow stripes.
    MOA #46783

  3. #3
    Registered User Guenther's Avatar
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    So BMW stepped back to have two wires - one for the brake light and one for the tail light?

    My '17 F700GS has only one wire for both. The other wire is for the license plate light.

    /Guenther
    2017 F700GS - I wish it had a drive shaft

  4. #4
    Registered User C7Driver's Avatar
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    Cute...
    Ken Bowen--2019 BMW 850 GS
    MSF RiderCoach-Retired
    BMWMOA 104748
    Kerrville, TX

  5. #5
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    F850 wiring diagram

    Quote Originally Posted by C7Driver View Post
    What color is the brake light wire on this bike?

    Thanks in advance....
    I just saw your message... did anyone come up with a wiring diagrams for F850GS? Did you discover if you bike had one wire for Brake light and same wire for running? (My F800GSA had only one wire for both). I found the brake wire today and tapped into it... but is shows either 12 V when brake is on or 2volts otherwise. which is not enough to drive my LEDs for running light. What did you find out/discover? BTW I have the F800GS wiring diagrams (2) if you want them. Roger T

  6. #6
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    Quote Originally Posted by 88147 View Post
    I just saw your message... did anyone come up with a wiring diagrams for F850GS? Did you discover if you bike had one wire for Brake light and same wire for running? (My F800GSA had only one wire for both). I found the brake wire today and tapped into it... but is shows either 12 V when brake is on or 2volts otherwise. which is not enough to drive my LEDs for running light. What did you find out/discover? BTW I have the F800GS wiring diagrams (2) if you want them. Roger T
    From prior post...Brake lead is Grey/Black with yellow dots. Taillight lead is Grey/Red with yellow stripes.
    MOA #46783

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