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step on brakes dash lights come on

Discussion in '1st Gen. Tacomas (1995-2004)' started by mikemars, Oct 29, 2009.

  1. Oct 29, 2009 at 9:24 AM
    #1
    mikemars

    mikemars [OP] Member

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    just as the title states. the lights on the heater controls as well. i searched but couldn't find anything. anyone else had this problem. no changes to the truck recently ie stereo etc. im thinkin fuse maybe, but thats just a guess. cheers.
     
  2. Oct 29, 2009 at 9:31 AM
    #2
    tacotopher

    tacotopher Well-Known Member

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    Check all of your bulbs front and rear. My wrx was doing the same thing. Find out one of my taillight bulbs did not have a good connection.
     
  3. Oct 29, 2009 at 10:01 AM
    #3
    mikemars

    mikemars [OP] Member

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    oh wait come to think of it i did replace my whole left rear taillight assembly with an aftermarket one about two months ago. after doing some more searching i think your right that will probably be the culprit. when it stops pouring i will try swapping the bulbs out for the old ones.
     
  4. Oct 31, 2009 at 10:52 AM
    #4
    Air_Ops

    Air_Ops Active Member

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    If you have a pigtail connector for a trailer, then it has gone bad. If you read the rating on the regulator you will find that most trailers with non-led lights exceed the allowable draw for the regulator. I am on my third one for my 01. I pull a small (5'x8') enclosed trailer and the combination of 4 side markers, 2 taillights, and a license plate light, and that exceeds the recommended draw for the regulator. The easy way to test is disconnect the pigtail and see if the dash lights are still coming on when you apply the brakes.
     
  5. Nov 20, 2009 at 8:09 PM
    #5
    mikemars

    mikemars [OP] Member

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    so i finally got a day with no rain so i finally made it outside to do some troubleshooting. turns out it was the bulb in the taillight i replaced. changed the cheap chinese bulb for a genuine GE 1157 and problem solved. thanks for the insight.
     
  6. Nov 20, 2009 at 8:11 PM
    #6
    desertdude59

    desertdude59 CRAZY 4WHEELER

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    From the Mojave desert now in Wild and Wonderful W
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    1991 toyota 4x4 sr5-lost but not forgotten
    4" lift after market front bumper bed mount lightbar/roll bar (4)6" kc's on the roll bar (2) kc flat back bumper mounts f/r gears for the 33's
    sounds like some crazy backfeed
     
  7. Feb 10, 2013 at 6:21 AM
    #7
    DixieDog

    DixieDog Member

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    I used the Curt T Connectors about 3 years ago. Would that present the same issue?

    Never mind. After disconnecting all is well. I reckon' I'll have to get a new set every 3 years.
     
  8. Feb 10, 2013 at 6:30 AM
    #8
    DixieDog

    DixieDog Member

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    Yes. I've got the same issue on a 2010 Toyota Tacoma 4WD. How did you solve your problem?

    Curt T connectors that were installed 3 years ago for trailer lights were the issue. Evidently the black box others have mentioned went bad.
     
  9. Feb 10, 2013 at 8:23 AM
    #9
    vtrguy

    vtrguy Well-Known Member

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    see Post #5
     
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