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  1. #1
    New Member
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    Sep 2009
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    Corvette(s)
    1975 L-48 Red Coupe

    Default Rear tail light turns off when brake applied.

    I own a '75 L-48. I know, I know.

    Anyhow, When driving at night with the lights on, the right rear tail light turns off when the brake is applied rather than getting brighter. It just doesn't turn on when driving during the day. I fiddled with it, bought a new bulb and still no result. If anyone has any info on this type of problem it would be greatly appreciated.

    Thanks,
    - James

  2. #2
    Member gmjunkie's Avatar
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    Nov 2004
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    Old Fort NC/Vero Beach FL
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    5,294
    Corvette(s)
    03 Z-51,78 L82 Coupe

    Default

    Quote Originally Posted by james_4182 View Post
    I own a '75 L-48. I know, I know.

    Anyhow, When driving at night with the lights on, the right rear tail light turns off when the brake is applied rather than getting brighter. It just doesn't turn on when driving during the day. I fiddled with it, bought a new bulb and still no result. If anyone has any info on this type of problem it would be greatly appreciated.

    Thanks,
    - James
    Check the grounds on the rear frame rail at the rear of the car,also check the grounds in the rear bulb sockets!! You have a OPEN ground back there somewhere!!
    junk!!
    "WARNING"
    The views and opinions of this forum user might not be suitable for others, this user may appear to be heavily over-medicated, under medicated, intoxicated, listening to the voices in his head or just plain being an ass, so some viewers may be offended!~!!!
    www.gmjunkie.com
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  3. #3
    Member 6880 Mike's Avatar
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    Jun 2006
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    The Bluegrass State
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    2,634
    Corvette(s)
    1968 convertible; 1980 L-82

    Default

    A. You've got a single element bulb instead of a double element.
    B. Bulb is correct, but not correctly installed in the socket.


  4. #4
    Member White75's Avatar
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    Sep 2007
    Location
    Kingwood (Houston) TX
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    496
    Corvette(s)
    '75 L48 Auto White, '78 L82 4-spd SA

    Default

    Nothing wrong with '75 L48's

    I hate electrics, the guys above probably have the answers. I was initially thinking it was a bad or misaligned brake switch but upon further reading I agree it could be a bad ground or incorrect bulb.

  5. #5
    Administrator Evolution1980's Avatar
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    Feb 2002
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    Cleveland, Ohio
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    6,013
    Corvette(s)
    ZZ4, 700R4, Steeroids rack & pinion, VB&P Brakes

    Default

    James, Welcome to the

    Feel free to stop in to the New Member Introduction forum and say Hello to everyone!

    As for the answer to your question, it's likely one of the previous posts. If not, then try this and report back: What happens if you apply the brake and put on the turn signal? Turn signal without the brake applied?

    Celebrity's Choice Award Winner - CruiseFest 2004
    People's Choice Award Winner - CruiseFest 2010
    Blake Yager's MVC Award Winner - CruiseFest 2011

    _

    v| 1980
    ZZ4 Engine - Hooker Super Comp headers (ceramic coated) - 700R4 - Steeroids - VB&P Brake Kit - Torqlite 17" Wheels
    2003 Victory Vegas (1507cc / 92ci) - Stage 1 Performance Package - Arlen Ness Slashness Pipes

    Quote Originally Posted by MaineShark View Post
    I could build a nuke in my basement. They are actually very simple devices. And we have uranium in NH. I could mine it and refine it and build one. The science is simple. The engineering not overly complex.

  6. #6
    New Member
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    Sep 2009
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    Corvette(s)
    1975 L-48 Red Coupe

    Default

    Quote Originally Posted by james_4182 View Post
    I own a '75 L-48. I know, I know.

    Anyhow, When driving at night with the lights on, the right rear tail light turns off when the brake is applied rather than getting brighter. It just doesn't turn on when driving during the day. I fiddled with it, bought a new bulb and still no result. If anyone has any info on this type of problem it would be greatly appreciated.

    Thanks,
    - James
    Turns out, the housing was wired incorrectly and one of the contacts was pushed in. Thanks for the help.

    -James

  7. #7
    Administrator Evolution1980's Avatar
    Join Date
    Feb 2002
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    Corvette(s)
    ZZ4, 700R4, Steeroids rack & pinion, VB&P Brakes

    Default

    Quote Originally Posted by james_4182 View Post
    Turns out, the housing was wired incorrectly and one of the contacts was pushed in. Thanks for the help.
    Ta Da! See how easy that was?

  8. #8
    Member White75's Avatar
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    Kingwood (Houston) TX
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    Corvette(s)
    '75 L48 Auto White, '78 L82 4-spd SA

    Default

    Quote Originally Posted by james_4182 View Post
    Turns out, the housing was wired incorrectly and one of the contacts was pushed in. Thanks for the help.

    -James
    Cool. Glad you got it fixed. Now go take her out for a spin!

  9. #9
    New Member
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    Sep 2009
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    Corvette(s)
    1975 L-48 Red Coupe

    Default

    Finally won't get in any trouble again and worry free under the star light!

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