K11 Owners Group

kewheels · Posted: Wed Sep 12, 2012 1:32 pm Post subject: BRAKE LIGHT

MY BRAKE LIGHT IS IN CONSTANTLY ON. The Telltale on the console goes out with tapping the foot pedal but BRAKE light still stays on . I REPLACED THE BULB. I AM TRAVELING AND I WORRIED ABOUT GETTING HIT FROM THE REAR. IS IT THE FRONT SWITCH THAT MIGHT BE FAULTY? thanks for any help.

KEN Waigand
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96 K11RS MarRed Salt Lake City
90 R100 GS/PD RedWhite Salt Lake City

BMGraeme · Posted: Wed Sep 12, 2012 2:40 pm Post subject:

It might be that the master cylinder piston on the front brake is not fully retracting - quite common if there's a build up of corrosion of the bore. Does the light go off if you push the brake lever all the way back? It might also be the microswitch itself - can you hear it click?
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1980 CB900FA
1994 K1100RS
2008 R1200GSA

Inge K. · Posted: Wed Sep 12, 2012 3:29 pm Post subject:

If you have lost the switch lever (tied up with a rubber band in the picture), your brake light would stay on.

Inge K.

Number 6 · Posted: Wed Sep 12, 2012 4:17 pm Post subject:

Yes, that's the switch...
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I am not a number, I am a free man.

94 K1100LT

SugarHillCTD · Posted: Wed Sep 12, 2012 7:15 pm Post subject:

If you find that it is the front brake switch, you might want to temporarily pull the wires off the switch so that you can use both brakes and the rear will actuate the brake light.

I have replaced the front switch on two different K bikes. Seem to be somewhat fragile.

IIRC, someone here sprayed some WD-40 into a front brake light switch and restored it to functional.
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John & Cathy

'92 K100RS4V Pearl White SOLD
'04 K1200GT
IBA Several-SS1k, BBG, 50CC NYC to S.F.