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Thread: 1994 k1500 - help ...no brake lights

  1. #1
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    1994 k1500 - help ...no brake lights

    94 1500 4x4 just pulled truck into shop ,no brake lights,,both left and right turn signals work fine.blew a fuse when turning on 4 way hazard lights, change fuse and still no brake lights,,where do i satrt with this one?
    if turn signals are working then the bulbs are ok.the fuse it blows is the stop hazard fuse think its number 1 in the fuse box,maybe a short or brake light switch?
    Last edited by crabtruck; 03-26-2011 at 10:35 PM. Reason: title

  2. #2
    Senior Member junior3382's Avatar
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    Do the parking lights work along with the turn signals and 4-ways?

  3. #3
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    multi-function switch...
    Joe
    89 K2500 Chevy, Wee-Oh-five 294K miles
    1962 Scout 80 parts I guess
    1966 Scout 800 resto job
    2005 Chevy 2500HD Short cab long box DURAMAX
    1996 P30, 6.5 NA Mac Mobile
    whole lot of buicks

  4. #4
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    Welcome to the forum duramac.
    You are right on the bulbs being ok. Thought the stop fuse was bottom center.
    Pull the hazard flasher out (not turn flasher), replace the 15A fuse.
    Verify turn signals work. Check that fuse does not blow and high stop light works.
    If not I would suspect you have water in your high stop lamp fixture.
    If it does work, bad haz flasher or turn/haz combo switch as Joe suggested.
    Or something in the wiring connecting them shorting (brown wire)

  5. #5
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    My 94 Silerado had the same problem. I believe It was a recall back in the day. Brake switch under dash near the brake pedal OR check yer wiring harness at rear end. I "accidently" bolted a hitch to my harness and created a short there.

  6. #6
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    I believe the recall was for "wrong polarity" on the wiring to switch and the possible hazard was fire. Should work fine until that point.

  7. #7
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    My 97 has a fuse box under the hood also ,with another brake light fuse.

  8. #8
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    94's didn't have fancy underhood fuse boxes LOL Only fuse there was fuel pump.

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