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Thread: K1200RS brakes - gone

  1. #1

    K1200RS brakes - gone

    after a tiny fall, my brakes started to have problems . .

    Same ol ABS issues as most. Faults on dash, etc. But worked.

    Flushed ABS system and lines, and it worked to get rid of faults, to my shock. Went for a quick ride and all was well. Put it all back together and then battery died. Replaced, but now brake servos don't work at all. No faults, just no brakes.
    I can't imagine a dealer can help, but wondering if could be covered under insurance since after a small accident. But, seeking assistance! Help! Love this bike, but starting to feel like it's just dead, which kills me.

    Love help with this.

  2. #2
    Registered User GTRider's Avatar
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    Apr 2006
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    Start by checking basics like having all the wires correctly connected at the new battery, and checking fuses. You may get better responses by being more explicit about what the bike is doing—does it start and run normally? Are all the other dash indicators lighting up as normal?

    Best,
    DeVern
    DGerber
    1983 R80ST — 1984 R80 G/S-PD — 2004 K1200GT w/Hannigan S/C — 2010 K1300GT — 2018 R1200GS
    BMWMOA#52184, AMA#271542, IBA#138

  3. #3
    Debbie's Servant Lee's Avatar
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    May 2003
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    Quote Originally Posted by GTRider View Post
    Start by checking basics like having all the wires correctly connected at the new battery, and checking fuses. You may get better responses by being more explicit about what the bike is doing—does it start and run normally? Are all the other dash indicators lighting up as normal?

    Best,
    DeVern
    If I remember correctly the K1200RS has three wires to the battery.
    It would be easy to forget one.
    Lee
    2022 R1250RS
    MOA # 30878
    Past BMW Bikes: 2016 R1200RS, 2011 K1300S, 2003 K1200RS, 1991 K75S, 1987 K75T, 1984 R100RT

  4. #4
    Mehrten
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    Quote Originally Posted by Lee View Post
    If I remember correctly the K1200RS has three wires to the battery.
    It would be easy to forget one.
    Well...

    There's actually four if you count the positive terminal.

    Otherwise there are three negative wires connected to the battery on our 2003 K1200RS.

    Two are big and robust, the third looks like a connection for heated gear or a battery charger.

    Earlier models had different fuse boxes and different connections, if I'm remembering the wiring on on 2004 K1200RS correctly.

  5. #5
    #13338 PGlaves's Avatar
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    Quote Originally Posted by mehrten View Post
    Well...

    There's actually four if you count the positive terminal.

    Otherwise there are three negative wires connected to the battery on our 2003 K1200RS.

    Two are big and robust, the third looks like a connection for heated gear or a battery charger.

    Earlier models had different fuse boxes and different connections, if I'm remembering the wiring on on 2004 K1200RS correctly.
    Any time I disconnect wires from a battery I gather all the wires from a terminal (if more than one) and connect them to each other with a wire tie. This is true for either the negative or positive terminal. This makes it a lot easier to be sure I get them all reattached. I learned the need to do this the hard way.
    Paul Glaves - "Big Bend", Texas U.S.A
    "The greatest challenge to any thinker is stating the problem in a way that will allow a solution." - Bertrand Russell
    http://web.bigbend.net/~glaves/

  6. #6

    K1200RS brakes

    I had problems when on a 5200+ mile trip. Found out that there is a micro-switch under the rear brake pedal that sometimes get out of align. When the brake failure light is flashing faster than normal. I would have to push UP on the brake foot pedal. Then the rear brake light would go out and the brake failure light would slow the flashing rate to normal.

    For most of the trip the brake sensors or the POWER brake wasn't until that rear brake micro-switch finally clicked!

    I should find a new or used micro-switch maybe? or could this be a theft deterent?

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