Rear brake light switch - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 15 (permalink) Old 09-15-2013, 08:53 AM Thread Starter
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Rear brake light switch

Got my MOT coming up in a couple of months, the only thing thatll be a prob with my rc is that the brake light wont come on when using the rear brake.

b4 i go and but a complete new brake switch (which i dont want to so) what can i try troubleshooting wise for this before going for the new part?

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post #2 of 15 (permalink) Old 09-15-2013, 09:24 AM
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Mine was just out of adjustment. Have you checked to see if it's actuating?
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post #3 of 15 (permalink) Old 09-15-2013, 09:33 AM Thread Starter
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all i know is that everything looks like its moving properly. how would i check if its actuating?

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post #4 of 15 (permalink) Old 09-15-2013, 09:44 AM
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You can adjust the switch and lock it in using the jam nut, careful its plastic.



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post #5 of 15 (permalink) Old 09-15-2013, 09:56 AM Thread Starter
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interesting, ill give it a bash. in what way should i adjust it tho? never had to do that before

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post #6 of 15 (permalink) Old 09-15-2013, 09:59 AM
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If you have no brake lights I'd think you'd adjust the switch up (spring/lever actuated) a bit tighten it down and give it a try.

If you have a meter to check the switch itself wouldn't hurt.



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post #7 of 15 (permalink) Old 09-15-2013, 10:06 AM Thread Starter
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yeah, just got a meter recently to go with my humble but improving tool collection thisll be the first time i get to use it

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post #8 of 15 (permalink) Old 09-15-2013, 01:45 PM
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With the meter on omhs or on the buzzer setting put the lead ends in the brake light connector (disconnected) of course and push the pedal down. There should be movement on the digital reading or a buzzing noise.

If so adjust the switch lock the jam nut and you're good to go.



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post #9 of 15 (permalink) Old 09-15-2013, 03:52 PM Thread Starter
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noted, thanks lads

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post #10 of 15 (permalink) Old 09-15-2013, 10:47 PM
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To test it - just switch on the ignition - pull the switch up off it's holder. Assuming the spring's connected if it doesn't make your brake lights come on, then it's probably a bad connection along the way or a faulty brake switch. I use a pressure switch on mine rather than a mechanical one.

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