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Taillights are not working

Discussion in '3rd Gen. Tacomas (2016-2023)' started by SoonToBeOn39s, Mar 2, 2025.

  1. Mar 2, 2025 at 9:07 PM
    #1
    SoonToBeOn39s

    SoonToBeOn39s [OP] Well-Known Member

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    I finally got bigger tires 2020 Long Travel Tacoma 1997 MAGNUM
    Anybody have a clue why no rear facing lights in my truck are not working?

    3rd brake light not working
    D and P side turn signal, brake, and reverse are not working.

    Checked fuses, grounds, everything. I'm fucking lost.

    Someone with more brains than me give me some advice please
     
  2. Mar 2, 2025 at 10:08 PM
    #2
    Puppypunter

    Puppypunter Well-Known Member

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    Hmmm…. Everything not working is a tough one. If anyone might know, it would probably be @caribe makaira
     
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  3. Mar 2, 2025 at 10:25 PM
    #3
    SoonToBeOn39s

    SoonToBeOn39s [OP] Well-Known Member

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  4. Mar 3, 2025 at 6:41 AM
    #4
    airforceb2cc

    airforceb2cc Well-Known Member

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    The 3rd brake light got me. Otherwise I would suggest something got into the harness going to the bed. Check the harness for damage that goes above the left cab mount??
     
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  5. Mar 3, 2025 at 6:43 AM
    #5
    Jakerou

    Jakerou Well-Known Member

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    Stock lights?
     
    RIX TUX and Chew like this.
  6. Mar 3, 2025 at 7:16 AM
    #6
    TailHook

    TailHook You just gotta keep livin' man, L-I-V-I-N

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  7. Mar 3, 2025 at 7:36 AM
    #7
    Buck Henry

    Buck Henry Well-Known Member

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    Any mods or work done recently?
     
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  8. Mar 3, 2025 at 8:18 AM
    #8
    SoonToBeOn39s

    SoonToBeOn39s [OP] Well-Known Member

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    Stock lights
     
  9. Mar 3, 2025 at 8:18 AM
    #9
    SoonToBeOn39s

    SoonToBeOn39s [OP] Well-Known Member

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    PXL_20250303_064734926.jpg
     
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  10. Mar 3, 2025 at 9:12 AM
    #10
    MGMDesertTaco

    MGMDesertTaco Come on, live a little...

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    Maybe it's those big tires? :notsure:
     
    RIX TUX, SoonToBeOn39s[OP] and Chew like this.
  11. Mar 3, 2025 at 9:39 AM
    #11
    bkhlrTaco's

    bkhlrTaco's “expletive deleted”

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    Is that your 2 tone?
    What did you have to unplug when you changed the rear fenders or bed?
     
  12. Mar 3, 2025 at 9:50 AM
    #12
    SoonToBeOn39s

    SoonToBeOn39s [OP] Well-Known Member

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    Everything I unplugged was plugged back in once completed. All stock grounds where kept. Only thing that is different would be where the harness is routed because it doesn't use plastic clips to be secured to the bed
     
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  13. Mar 3, 2025 at 9:53 AM
    #13
    Tacosauro

    Tacosauro Well-Known Member

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    I am thinking there is shortcut somewhere. I think there is tool for that, to see where it shorts, just my 2 cents. Prob better to wait for those guys who were pinged
     
    Last edited: Mar 3, 2025
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  14. Mar 3, 2025 at 9:54 AM
    #14
    bkhlrTaco's

    bkhlrTaco's “expletive deleted”

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    @Dm93 is an electrical wizard.
     
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  15. Mar 3, 2025 at 9:54 AM
    #15
    Buck Henry

    Buck Henry Well-Known Member

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    Well, you certainly have no shortage of variables to consider. Good luck brother!
     
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  16. Mar 3, 2025 at 1:12 PM
    #16
    SoonToBeOn39s

    SoonToBeOn39s [OP] Well-Known Member

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    Fixed it. My dumbass found 2 fuses blown.
     
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  17. Mar 3, 2025 at 1:14 PM
    #17
    crazysccrmd

    crazysccrmd Well-Known Member

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    The next problem to solve is what shorted to cause the fuses to blow.
     
  18. Mar 3, 2025 at 5:44 PM
    #18
    Chew

    Chew Not so well known user

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    I just saw a FB post,, looks like you from since the mods are pretty extensive, but it mentions two new alternators, second which has died in 15 miles, and a new battery. If so, sounds like you’ve got electrical diagnostic work ahead of you, as mentioned before, I’d find why fuses and these other items are failing to gain back a reliable truck.
     
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  19. Mar 3, 2025 at 6:08 PM
    #19
    SoonToBeOn39s

    SoonToBeOn39s [OP] Well-Known Member

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    I think the fuses were at fault because I was previously attempting to tap a chase bar into my brake/turn/reverse/running lights and over loaded the fuse
     
  20. Mar 3, 2025 at 7:51 PM
    #20
    RIX TUX

    RIX TUX no ducks given

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    upload_2025-3-3_21-52-19.jpg
     

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