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no brake lights 850

posted by  greendread on  Tue Dec 29 08:54 CST 2009
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last visit: Tue Sep 2 08:56 CST 2014
[RELATED]

Hello All,

New issue with the 855- no brake lights
My rear center stoplight had a bad bulb for a while, and when it was time for a full brake job I bought some bulbs.

I popped in the new light and it worked great, prior to this all my lights worked aside from the bad bulb.

took it for inspection and no brake lights?

Is this due to not properly bleeding the brakes, is it a short caused by the center taillight, did the peddle switch just die out?!

Any and all advise welcome!

Cheers,
greendread








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    no brake lights 850

    posted by  KlausC on  Tue Dec 29 10:54 CST 2009
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    last visit: Fri Oct 24 10:15 CST 2014
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    The lights have nothing to do with brake fluid. If the bulb failure light for brakes does not come on, then I suspect the brake pedal switch. You need to check things with a volt meter.

    Klaus
    --
    Proud owner of a 220S. If I had more room, I would have more Volvos.








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    no brake lights 850

    posted by  someone claiming to be dg on  Tue Dec 29 10:37 CST 2009 [RELATED]

    When you push on the brakes does your bulb failure indicator light up on the dash?

    Do your turn signals work?

    Take the bulb out of the center brake light and see what happens. My first impression is you have a dual filament bulb......








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      no brake lights 850

      posted by  greendread on  Wed Dec 30 05:11 CST 2009
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      last visit: Tue Sep 2 08:56 CST 2014
      [RELATED]

      Thanks Folks!

      I'll get the voltmeter out... dual filament bulb... maybe?
      The signals work, prior to replacing the center bulb all lights worked.

      My first thought was improper brake bleeding didn't allow for enough pressure to build up in order to engage the pedal switch.

      Thanks!

      greendread








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        no brake lights 850

        posted by  KlausC on  Wed Dec 30 06:36 CST 2009
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        last visit: Fri Oct 24 10:15 CST 2014
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        I think the 122 was the last model that had a brake pressure light switch :) All current switches are pure electric and at the pedal.

        Klaus
        --
        Proud owner of a 220S. If I had more room, I would have more Volvos.








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          no brake lights 850

          posted by  mbliss on  Thu Dec 31 09:40 CST 2009
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          last visit: Tue Oct 21 20:49 CST 2014
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          Ahh, yes, one of the few things I don't miss! After several replacements, I think I installed a microswitch on the brake pedal.


          --
          '96 850 and '83 244 DL both at about 200K; gone but not forgotten '81 245 and '64 Amazon







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