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Stop Lights

Discussion in '2nd Gen. Tacomas (2005-2015)' started by ODICA, Sep 11, 2011.

  1. Sep 11, 2011 at 7:54 PM
    #1
    ODICA

    ODICA [OP] 06 TACOMA 4X4

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    Earl
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    I need some help troubleshooting my stop light in my truck. My stop light went out, and I had checked the fuse box in the engine compartment, and the fuse box under the steering wheel but found all the fuses in good condition. Is there anywhere else I need to check as far fuses our concern?

    Thanks for the time fellas!
     
  2. Sep 11, 2011 at 7:56 PM
    #2
    CUtigerfan

    CUtigerfan Well-Known Member

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    brake lights? check the bulbs maybe?
     
  3. Sep 11, 2011 at 8:03 PM
    #3
    ODICA

    ODICA [OP] 06 TACOMA 4X4

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    Yes brake lights. I had checked all the bulbs including 3rd brake light and everything checked out.
     
  4. Sep 11, 2011 at 8:11 PM
    #4
    rcbs204

    rcbs204 Well-Known Member Vendor

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    Check the fuse box under the steering wheel one more time, Fuse labeled "GUAG" 7.5a
     
  5. Sep 11, 2011 at 8:12 PM
    #5
    ouyin2000

    ouyin2000 Well-Known Member

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    Which light went out? If all of them died at the same time, it's likely an electrical/fuseproblem.
     
  6. Sep 11, 2011 at 8:18 PM
    #6
    joes06tacoma

    joes06tacoma Well-Known Member

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    http://www.ncttora.com/fsm/05+/data/ileaf/06toyewd/06toypdf/ewd/2006/tacoma/h/em01d.pdf

    If I read that right, you should be looking for a 10 amp fuse in the engine compartment.

    http://www.ncttora.com/fsm/05+/data/ileaf/06toyewd/06toypdf/ewd/2006/tacoma/h/em01d12.pdf

    According to this, the only other thing between the fuse and the brake lights is the brake light switch. I would be looking for power down there with a digital voltmeter. Don't use a test light, if you get the wrong wire it can set off the airbag.

    It could also be a bad ground, but the center stoplight grounds differently than the two lower stoplights, so if they are all out I think your grounds are okay.

    Edit: looks like there is a relay in there as well.
     
  7. Sep 11, 2011 at 8:19 PM
    #7
    ODICA

    ODICA [OP] 06 TACOMA 4X4

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    All the brake lights went out. I had checked the fuse under the steering wheel again but everything checked out good.
     
  8. Sep 11, 2011 at 8:31 PM
    #8
    joes06tacoma

    joes06tacoma Well-Known Member

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    There should be a "stop lamp control relay" under the hood also if you have traction control. I thought that the double cabs all had that? Maybe pull that out and see if there is another relay you can swap it with for testing?

    Other than that I think you are going to have to get a meter and start following the voltage check points on the wiring schematic.
     
  9. Sep 11, 2011 at 8:37 PM
    #9
    jjew18

    jjew18 the Nightman cometh!

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    Added extra awesomeness to its original awesomeness.
    Did you replace the fuses? Sometimes with the mini fuses they are hard to tell that they are blown.
     
  10. Sep 14, 2011 at 1:47 PM
    #10
    tacomunchkin

    tacomunchkin Well-Known Member

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    I thought this was going to be a thread about improving your mpg by ignoring stoplights.
     
  11. Sep 14, 2011 at 1:49 PM
    #11
    Jester243

    Jester243 mod status????

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    :laughing:
     
  12. Sep 14, 2011 at 2:10 PM
    #12
    wrxRome

    wrxRome Houston's Swamp Rat

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    Brake light switch maybe. Happened in one of my other cars
     
  13. Sep 14, 2011 at 4:17 PM
    #13
    fixer5000

    fixer5000 the logical one

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    this would be my guess also. if none of em work this has to be the reason
     
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