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Unknown wiring on used FJ

Discussion in 'FJ Cruisers' started by eazyrider711, Jan 17, 2019.

  1. Jan 17, 2019 at 11:45 AM
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    eazyrider711

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    eazyrider711 [OP] Well-Known Member

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    My neighbor and off-road buddy just traded in his older FJ and got a 2012 FJ. He has an aftermarket switch in the dash and some wiring in the engine bay that doesn’t seem to go anywhere or do anything. I think there may have been some lights installed prior but not sure.

    Does anyone recognize this in the front passenger side of the engine bay?


    Thanks
     
    eazyrider711, Jan 17, 2019
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  2. Jan 17, 2019 at 11:46 AM
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    LivinOnEdge

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    LivinOnEdge ¯\_(ツ)_/¯

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    Looks like a designated fuse box.

    Similar looking recepticle was installed for a subwoofer in my car years ago.
     
    LivinOnEdge, Jan 17, 2019
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  3. Jan 17, 2019 at 11:48 AM
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    eazyrider711

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    eazyrider711 [OP] Well-Known Member

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    That's interesting. I think he has another switch to turn a subwoofer on/off that is hooked up and works. So this may be wired and part of the sub/stereo. Still not sure on the other switch then, LOL. May need to pop it out and see if its even hooked up on the back end of the switch.
     
    eazyrider711, Jan 17, 2019
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  4. Jan 17, 2019 at 11:54 AM
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    LivinOnEdge

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    LivinOnEdge ¯\_(ツ)_/¯

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    Im in no way an electrical expert, but at least to me, thats what it looks like. Keep us posted. IM curious to know as well.
     
    LivinOnEdge, Jan 17, 2019
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  5. Jan 17, 2019 at 2:46 PM
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    bucktales

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    bucktales *Retired* curmudgeon

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    You need to see what's inside and trace those lines. They have to be going somewhere.
    Aftermarket lights?, Alarm system? Compressor?
     
    bucktales, Jan 17, 2019
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  6. Jan 17, 2019 at 3:08 PM
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    LivinOnEdge

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    LivinOnEdge ¯\_(ツ)_/¯

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    Whats the part number on the bottom? Can't read it from the image.
     
    LivinOnEdge, Jan 17, 2019
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  7. Jan 17, 2019 at 3:11 PM
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    KenLyns

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    KenLyns 8.75" Third Member

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    KenLyns, Jan 17, 2019
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  8. Jan 17, 2019 at 6:24 PM
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    eazyrider711

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    eazyrider711 [OP] Well-Known Member

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    The Red/Black go to the battery. I was able to trace those. The other two feel hollow, almost like a soft vacuum line and I couldn't see where they went.
     
    eazyrider711, Jan 17, 2019
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  9. Jan 17, 2019 at 6:27 PM
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    LivinOnEdge

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    Welp, that explains it then. Its a bomb. :boom:
     
    LivinOnEdge, Jan 17, 2019
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  10. Jan 17, 2019 at 7:07 PM
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    TimC

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    TimC Well-Known Member

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    Windshield washer fluid heater?
     
    TimC, Jan 17, 2019
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  11. Jan 18, 2019 at 5:00 PM
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    TimC

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    TimC Well-Known Member

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    Yep

    37AC2A3A-4D78-4E42-A123-DFEF6CC178C0.jpg
     
    TimC, Jan 18, 2019
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    eazyrider711[OP], LivinOnEdge and medic2230 like this.
  12. Jan 18, 2019 at 5:04 PM
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    LivinOnEdge

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    LivinOnEdge ¯\_(ツ)_/¯

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    Nice find, I would have never guessed.
     
    LivinOnEdge, Jan 18, 2019
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  13. Jan 18, 2019 at 5:04 PM
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    medic2230

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    medic2230 @Koditten Pirate Radio member #002

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    medic2230, Jan 18, 2019
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  14. Jan 18, 2019 at 5:11 PM
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    eazyrider711

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    eazyrider711 [OP] Well-Known Member

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    That's insane, I'd never heard of something like that. You guys are awesome!!!! I'll let him know that's what it is and we probably still need to track down the other switch.
     
    eazyrider711, Jan 18, 2019
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  15. Jan 18, 2019 at 7:44 PM
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    TimC

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    It was one thing I wish mine had.
    I heard stories of cracking windshields. Thermal shock I guess.
     
    TimC, Jan 18, 2019
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  16. Feb 7, 2019 at 6:58 PM
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    Rparker017

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    Rparker017 Well-Known Member

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    I had a 2007 FJ for about a decade. Had 2 windshields crack in the winter when hit with washer fluid in freezing temps. Didn’t know they made fluid heaters!
     
    Rparker017, Feb 7, 2019
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