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Trailer Plug Relocation

Discussion in 'Towing' started by B_brand, Dec 28, 2011.

  1. Dec 28, 2011 at 3:43 PM
    #1
    B_brand

    B_brand [OP] Well-Known Member

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    Brandon
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    I broke off my factory trailer light plug and had to buy a new one. The dealership said that they would have to order the whole wiring harness and it would be over $200. So I told them I would fix it myself. I searched on here and found several write-ups on how to fix and relocate the plug. I ended up locating the new plug in the bumper next to the license tag. I have included a few pictures to help anyone else out.

    The functions for the wires in the factory harness are:
    White - Ground
    Red - Left Turn (will also come on with brakes)
    Brown - Right Turn (will also come on with brakes)
    Black - 12v (this is the constant hot wire it will only be on when the ignition is on)
    Blue - Electric Brake
    Yellow - Reverse Lights
    Green - Tail Lights

    IMG_0054.jpg
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    IMG_0059.jpg
    IMG_0060.jpg
    IMG_0061.jpg
     
    maxpower29 and jstanley like this.
  2. Dec 28, 2011 at 3:54 PM
    #2
    OffroadToy

    OffroadToy The dog did it...I swear!

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    Thanks for the write-up...great idea!! Is that the oem plug or aftermarket, and how did you get the hole through the bumper?
     
  3. Dec 28, 2011 at 3:55 PM
    #3
    JasoTaco

    JasoTaco Well-Known Member

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    Nice work! Rep for you. :thumbsup:
     
  4. Dec 28, 2011 at 3:56 PM
    #4
    B_brand

    B_brand [OP] Well-Known Member

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    Sorry, I forgot those details. I had to buy an aftermarket plug at OReillys since my old one was broken. I used a 1/8" drill bit to mark the center of the hole, then used a 2" hole saw with a 1/4" arbor bit in it.
     
  5. Jan 5, 2012 at 5:16 AM
    #5
    YotaComa22

    YotaComa22 Well-Known Member

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    good thinking on that one.....nice relocation....I like it....
     
  6. Sep 17, 2014 at 11:06 AM
    #6
    aww1970

    aww1970 Well-Known Member

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    Thanks for posting the colors of the factory harness, it saved me some headaches.
     
  7. Sep 17, 2014 at 11:24 AM
    #7
    reellittlephish

    reellittlephish Well-Known Member

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    Nice job. I used an E-Trailer custom 5 pin harness to outfit my 2007 Tacoma Access Cab. Cost $63.55. Took about 3 hours to install and I was extra careful. Never had popped the rear lenses off this truck.
     
  8. May 15, 2015 at 5:38 PM
    #8
    tyndall5818

    tyndall5818 Well-Known Member

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    Check out my build thread.
    @adamv22 going to mount my new one like this! Not spending $50 on a relocation bracket!
     
  9. Jun 25, 2015 at 10:58 PM
    #9
    OCD

    OCD Well-Known Member

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    I didn't want to drill a hole in my bumper for cosmetic reasons, although relocation of the trailer plug between the license plate light and license plate seems like the the most utilitarian choice. I didn't want to use an existing license plate light hole, and lose one of the lights, because I've read online that regardless of the quality of illumination remaining with one light, elimination of one is illegal. Although that doesn't sound reasonable to me, I just didn't want the potential hassle with cops. My decision was to relocate the plug behind the bumper, in a spot where it's completely hidden from view, but accessible when I need to use it. The photos here show what I did.


    I removed the plug and plug bracket from the OEM mount on the tow bar. I removed the 90 degree bracket from the bottom of the frame where the driver's side rear bumper support bolts to the frame. I flattened out the folded edges on the plug bracket so the plug bracket would sit flat on the 90 degree bracket, then welded the two together (if you can call the shitty result "welding" - I'm obviously a dauber, but it's super strong). I reamed the lapping holes on the welded together pieces so the 17mm bolts would pass through both when the fabricated assembly was bolted back to the frame/bumper support. I etch primed the assembly, painted it black, and bolted it back where the 90 had been removed from. I reinstalled the plug on the relocated plug bracket. The OEM wiring harness has enough slack to reach the new position, the plug is well away from the largest diameter spare that could be carried beneath the bed, and the hinged cap opens completely without interference from the 17mm bolts behind it. Also the male connector on the trailer cable will be above the bottom of the spare, so nothing hangs low to catch on rocks, brush, ruts.

    I'll probably make up about an 18" long pigtail with a female connecter on one end, and a male connecter on the other, to use if I rent or borrow a trailer with a lead too short to reach the relocated plug. Any trailer I eventually own, I'll make the lights/brake cable long enough to reach the relocated plug without the pigtail. When I'm not towing (which will be 99.9% of the time), I'll stow the pigtail under the backseat of my dbl cab, and the relocated plug will be well protected in it's new position.

    I was kind of thinking what's left of the original mount (1st photo) would make a handy spot for an auxiliary LED backup light, but decided against that since I'd be hanging the light in the same potential trouble spot the trailer plug was in. I'd end up breaking or ripping the light off in that position. I'll probably cut off what's left of the original mount as close to the tow bar as possible to visually clean up that area. Anyone have a suggestion for some other protected, tucked in spot for a small, but bright LED backup light(s)?
     
    Last edited: Jun 26, 2015
  10. Jun 27, 2015 at 10:26 AM
    #10
    Jefes Taco

    Jefes Taco Well-Known Member

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    I needed to get mine out of the way quickly and I planned on going back and doing it "right". But, I just removed mine and then zip tied it to one of the wiring harness' pictured in your pic. I don't think I'm gonna change anything. It works great and only cost me a zip tie. :D
     
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