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Brake light issue

Discussion in '3rd Gen. Tacomas (2016+)' started by Tines_with_trav, Apr 7, 2021.

  1. Apr 7, 2021 at 8:33 PM
    #1
    Tines_with_trav

    Tines_with_trav [OP] Member

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    Ive got a 2017 tacoma with a brake light issue. The normal tail lights stay on when the lights are on but then when the brake pedal is depressed the drivers side brake light does not come on and the middle bulb shuts off. Ive changed the bulb, and checked the socket for voltage which there is the amount there should be. At this point I'm thinking its the ground wire for the brake light or possibly the brake light switch(which might not make sense because the passenger side one works fine) Please help with suggestions and where i might find where the ground wire is grounded. Thanks!!!
     
  2. Apr 7, 2021 at 11:15 PM
    #2
    Kev250R

    Kev250R Well-Known Member

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    Orange, So.Cal.
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    Floor mats, junk in center console
    Hard to say but I would start with swapping the driver's-side bulb with the passenger-side and see if the problem follows or not.
     
    tonered likes this.
  3. Apr 8, 2021 at 12:16 AM
    #3
    Tacofolks

    Tacofolks Member

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    That's a hard one man! I would go to the dealership
     
  4. Apr 8, 2021 at 5:59 AM
    #4
    Arries289

    Arries289 Yo!

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    Check bulb type to make sure you did not put parking lights in instead of brake lights (and vice versa). Get those mixed up and it causes all kinds of wierd issues.
     
    Kev250R likes this.
  5. Apr 8, 2021 at 8:22 AM
    #5
    shakerhood

    shakerhood Well-Known Member

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    Are they factory taillights and bulbs or aftermarket?
     
    Kev250R and tonered like this.
  6. Apr 8, 2021 at 4:36 PM
    #6
    Tines_with_trav

    Tines_with_trav [OP] Member

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    They are factory
     
    shakerhood likes this.
  7. Apr 8, 2021 at 5:50 PM
    #7
    caribe makaira

    caribe makaira Well-Known Member

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    Caribbean, Puerto Rico
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    05 PreRunner TRD Offroad AutoTrans
    Hood Struts, My version Fogs always ON, Map & Overhead Light Mod,
    The ground is shared by ALL the rear lamps to a single point on the left rear chassis.
    I'd verify the wiring for some chaffing since it's affecting 2 circuits, STOP & TAIL.

    upload_2021-4-8_21-10-36.jpg

    upload_2021-4-8_21-9-15.jpg

    upload_2021-4-8_21-9-28.jpg
     
    Last edited: Apr 8, 2021
    Kev250R likes this.

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