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 Brake Light Stuck On

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speedfiend




Brake Light Stuck On Empty
PostSubject: Brake Light Stuck On   Brake Light Stuck On EmptyThu Dec 13, 2018 7:56 pm

Brake Light Stuck On:
Missing the days of $2 light bulbs. Multimeter at plug showed brake switches working so I got a new light @ $71.
Pics show pretty much what happened to the old one; sleeve got rubbed through and one of the resistor/diode units shorted. 10 years and 53k on the bike. If you want to prevent this I suggest you cut the zip ties and slide off the sleeve and blow the dirt out(mine had a lot), replace and plug ends with sealant and wrap with a few layers of friction or fiberglass tape and zip tie it back in place. Yeah it's a PITA working back there and it really sucked in finger-freezing weather.
Later peeled back insulation enough to see [7-5ohm5] printed on undamaged area. May be able to order these components and fix old light.

Brake Light Stuck On <a href=Brake Light Stuck On Taillight-Sleeve" />

Brake Light Stuck On <a href=Brake Light Stuck On Taillight-Resistor-Diode-Units" />
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mdwwr




Brake Light Stuck On Empty
PostSubject: Re: Brake Light Stuck On   Brake Light Stuck On EmptyMon Dec 31, 2018 12:57 pm

I have power going to both taillight AND brake light anytime the key on on, even when I disconnect BOTH front and rear brake light switch- any ideas.
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speedfiend




Brake Light Stuck On Empty
PostSubject: Re: Brake Light Stuck On   Brake Light Stuck On EmptyTue Jan 01, 2019 2:10 pm

That's what this post was about. Brake light is only brightened tail light. Look for damage like the photos. I think it's a design issue and a lot of people would have it.
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mdwwr




Brake Light Stuck On Empty
PostSubject: Re: Brake Light Stuck On   Brake Light Stuck On EmptyTue Jan 01, 2019 5:07 pm

That was it! Thank you. Now to find those resistors. Sucks there are no more radio shacks. Any ideas?
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speedfiend




Brake Light Stuck On Empty
PostSubject: Re: Brake Light Stuck On   Brake Light Stuck On EmptyWed Jan 02, 2019 1:50 am

mouser.com if you know what you're doing. Not sure if this schematic is correct but you can just cut out the old and splice in the new if it's the same component; keep your diode direction the same, resistors don't matter. And shrink tube it like the factory did.

Brake Light Stuck On 3-tail10

(Note: "Br" is brown wire [ignition system] not brake. "Y"-yellow is brake system wire. You can see how it bypasses a resistor to increase current and brightness to LED. Left section is driving lights/front signals.)
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Brake Light Stuck On Empty
PostSubject: Re: Brake Light Stuck On   Brake Light Stuck On Empty

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