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Can't get fog lights to turn on?

Discussion in '3rd Gen. Tacomas (2016-2023)' started by aleriance, Jan 7, 2018.

  1. Jan 7, 2018 at 8:36 PM
    #1
    aleriance

    aleriance [OP] Well-Known Member

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    A few months into owning my truck, I was wheeling on day and when I got home I realized my passenger side fog light had been smashed. Hard enough to where the bulb got knocked out of the housings.

    The other fog light that was untouched did not want to turn on either now. Low on funds and with other things to worry about, I went several months without fixing this. Recently decided to finally take care of it so I can use my fogs again after all this time...

    Instead of buying one replacement OEM housing for around $50, I ended up coughing up the near $200 and bought the Morimoto XB LED fogs housings. During installation I could not get the truck to power on either of the fogs... I reversed the polarity on both, nothing. Tried only one plugged in at a time, nothing. (They plug directly into the OEM plugs)

    I know the Morimotos are fine because I hooked up the leads to a drill battery and they turned on just fine and look great... I have checked in my fuse box under the hood (which I will admit has some dried up mud in there from previous adventures), unplugged the only module labeled "FOGS FR" and swapped it with another module (blue box with 4 prongs) with no luck. I have checked for voltage directly at the plugs where the housings connect to and there is no voltage. I have also sprayed the fuse box with lots of electronics cleaner with the battery disconnected. The fog indicator light DOES turn on when I flip the fogs on.

    Has anyone dealt with this before? Is there a fuse for fogs under the steering column?
    Any ideas?
     
  2. Jan 7, 2018 at 8:38 PM
    #2
    jake72

    jake72 Well-Known Member

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    Probably blew a fuse
     
  3. Jan 7, 2018 at 8:39 PM
    #3
    aleriance

    aleriance [OP] Well-Known Member

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    What fuse though? The only thing I can find that has anything to do with fogs whatsoever is the small blue box looking fuse under the hood, which does not seem to be the issue as I swapped it with a different one from the fuse box and it still did not work.
     
  4. Jan 7, 2018 at 8:45 PM
    #4
    shakerhood

    shakerhood Well-Known Member

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    When the light got smashed out did it by chance break 1 of the wires?
     
  5. Jan 7, 2018 at 8:47 PM
    #5
    aleriance

    aleriance [OP] Well-Known Member

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    Doesn't seem like it. The wires look perfectly fine to me...
     
    shakerhood[QUOTED] likes this.
  6. Jan 8, 2018 at 1:22 PM
    #6
    aleriance

    aleriance [OP] Well-Known Member

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    BUMP... Somebody's gotta have some advice here...
     
  7. Jan 8, 2018 at 1:33 PM
    #7
    Mr-Paul

    Mr-Paul Well-Known Member

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    I would sequentially pull each fuse make sure one is not blown, for your first step in diagnosis. There are also fuses in the engine compartment for the hi-amp electrical components. Get a volt meter to help check the fog light output, if no fuse is blown. Use volt meter to see if your ground on the dogs are still good. Last thing I can think is to verify that the fog light relay is functioning.
     
  8. Jan 8, 2018 at 1:51 PM
    #8
    maine88

    maine88 New Member

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    I blew a fuse puting LED's on the interior lights. Found the blown fuse under the steering wheel. Have you checked there?
     
  9. Jan 8, 2018 at 1:52 PM
    #9
    cascadetaco

    cascadetaco Toyota Addict

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    that module is a relay. you need to check your fuse. not sure if its under dash or in engine. One or the other tho!
     
  10. Jan 8, 2018 at 2:20 PM
    #10
    gotblika

    gotblika Well-Known Member

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    [​IMG] Is this the same diagram that you have? The first 15A fuse above the fog relay show FOG FR.
     
    shakerhood likes this.
  11. Aug 2, 2020 at 3:52 PM
    #11
    WilsonLeiva

    WilsonLeiva New Member

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    Was this problem ever resolved?? I’m having the exact same issue. Want to avoid taking it to the dealer but I feel like I tried everything, let me know thanks!!
     
  12. Mar 24, 2021 at 9:33 AM
    #12
    Indytaco17

    Indytaco17 Member

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    Id be interested too. I just installed diode dynamics ss3 and keep blowing my fuse. Then unplugged both side, replaced the fuse, turn on the fog light switch nothing plugged in and still blew it.
     
  13. Feb 13, 2023 at 9:11 PM
    #13
    Tyco_Taco

    Tyco_Taco Member

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    Any light on this thread? Just experienced this today, no illuminated icon that appears on my cluster when I hit the switch, fogs are new.
     
  14. Feb 14, 2023 at 4:31 AM
    #14
    dansflhti

    dansflhti Well-Known Member

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    Lo-beam headlights on?
     
  15. Feb 14, 2023 at 7:06 AM
    #15
    Travelinman301

    Travelinman301 4 x 4 Fanatic

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    You'll have to check the wiring...sounds like the hot lead is grounded somewhere in the circuit.
     
  16. Feb 15, 2023 at 5:57 PM
    #16
    aleriance

    aleriance [OP] Well-Known Member

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    Geez man this was so long ago... I don't remember at all. I've since moved over to Diode Dynamics SS3's and have been running them fine for years now. Sorry...
     
  17. Sep 17, 2023 at 5:27 AM
    #17
    AbdullaJaafari

    AbdullaJaafari Dubai Taco

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    Having this issue now too. Anyone got a solution yet?
     
  18. Sep 17, 2023 at 2:22 PM
    #18
    RIX TUX

    RIX TUX no ducks given

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    are your brights on?
     
    RedWings44 likes this.
  19. Sep 17, 2023 at 2:41 PM
    #19
    RedWings44

    RedWings44 Well-Known Member

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    Or your lights even on in the first place?
     
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  20. Sep 17, 2023 at 3:10 PM
    #20
    RIX TUX

    RIX TUX no ducks given

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    are BRIGHTS on?.......mods are important to note when you are asking about a problem
     
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    #20
    RedWings44 likes this.

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