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Finding Bad Ground for tail lights

Discussion in '1st Gen. Tacomas' started by alboy, Apr 29, 2009.

  1. Apr 29, 2009 at 10:42 AM
    #1
    alboy

    alboy [OP] Member

    Joined:
    Feb 21, 2008
    Member:
    #4869
    Messages:
    10
    florida
    Vehicle:
    98 SR5 4 wheel drive
    both my tail lights and brakes are out and both fuses are blowing. i followed the ground to under the hood. does that sound right or does it ground to the frame somewhere else?
     
  2. Apr 29, 2009 at 12:39 PM
    #2
    22b22

    22b22 Well-Known Member

    Joined:
    Apr 15, 2009
    Member:
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    Messages:
    147
    Gender:
    Male
    Northern California - East Bay
    Vehicle:
    03 DoubleCab PreRunner TRD SR5
    OME 881/N91S - front Wheeler 5-pack/N85 - rear
    Sounds like a power wire has been damaged and is grounding out. Are there any wiring modifications (Trailer light harness, etc)? I'd start at each light and work the wiring harness forward until I found damage or anything obvious.
     
  3. Apr 29, 2009 at 1:01 PM
    #3
    alboy

    alboy [OP] Member

    Joined:
    Feb 21, 2008
    Member:
    #4869
    Messages:
    10
    florida
    Vehicle:
    98 SR5 4 wheel drive
    ill give it a shot, also i noticed, before the brake fuse pops, when i press the brake pedal with the door open it makes that sound like if you were to leave your lights on with the door open
     
  4. Apr 29, 2009 at 1:08 PM
    #4
    22b22

    22b22 Well-Known Member

    Joined:
    Apr 15, 2009
    Member:
    #16033
    Messages:
    147
    Gender:
    Male
    Northern California - East Bay
    Vehicle:
    03 DoubleCab PreRunner TRD SR5
    OME 881/N91S - front Wheeler 5-pack/N85 - rear
    Hmmm... sounds like someone has modded something.

    If you replace the fuses, and just turn on the lights, do they pop? If not, then it's in the brake circuit and I'd start at the brake light switch (it's under the dash and triggered by the brake pedal being pushed in).
     
  5. Apr 29, 2009 at 1:39 PM
    #5
    alboy

    alboy [OP] Member

    Joined:
    Feb 21, 2008
    Member:
    #4869
    Messages:
    10
    florida
    Vehicle:
    98 SR5 4 wheel drive
    when i replace the taillight fuse and hit the lights it blows too
     
  6. Apr 29, 2009 at 1:43 PM
    #6
    22b22

    22b22 Well-Known Member

    Joined:
    Apr 15, 2009
    Member:
    #16033
    Messages:
    147
    Gender:
    Male
    Northern California - East Bay
    Vehicle:
    03 DoubleCab PreRunner TRD SR5
    OME 881/N91S - front Wheeler 5-pack/N85 - rear
    Then I'd go back to the second post. Start at the tail-light housing and work forward on each side.
     
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