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New HU in 2006 JBL Tacoma. Need Wiring Pin-Out

Discussion in 'Audio & Video' started by DesertRatliff, Jan 20, 2020.

  1. Jan 20, 2020 at 9:17 AM
    #1
    DesertRatliff

    DesertRatliff [OP] Well-Known Member

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    Hi TW,

    I've got an aftermarket headunit ready and waiting since Christmas to upgrade in my wife's 2006 JBL-equipped DCSB. I ordered a wiring harness that was linked in a stereo thread and soldered it into the provided plug for the new HU before I removed the old stuff. When I went to install it, it was the wrong plug for the factory wiring harness and then realized I had ordered a non-JBL harness. So...I ordered one specifically for the Toyota JBL. It turns out it's got the right plug, but has the wrong pin-out (the pins don't match with the factory harness and doesn't pin-out to the rear speakers for some reason). Since I can't return either harness at this point, I'm pretty sure I can Frankenstein both harnesses and moves some pins, but having a hard time finding a pin-out/wiring diagram for the JBL/factory wiring pictured below. The TTORA site on all the links I've searched has been taken down for sometime.

    Anyone have a pin out they can link me to for this stereo (#86120-04120)?

    akr6oazCLtT5z12qc_EX2hWwQY5QmX8Q0gZehfNV_84d1edd6391c7d03a5fbfe379456471e12a3d4cc.jpg

    FsQkJoPxP9mC00zG2NlQ3yIcs8gwQEmMGvwPuum__01ea3d456309fe79f9966067b38bb97c98620b5f.jpg

    kNnPmP7NBs6z-DnWyjSEYQPm-Jw_r5lxcj1ep_xm_147c2257c5105e5177523eed97cbe97f77724481.jpg

    I got the day off (and more importantly, the wifey does too so her truck is here and ready for a new Bluetooth, back-up cam head unit). Thanks Tacoma World!

    JqZvhPqhuz36OxBv8VZTp2EwTRl7wVrjV3hOZgsb_4ee3372376631b7eac877fdcc3ccb557be441a70.jpg
     
  2. Jan 20, 2020 at 9:51 AM
    #2
    destin_meeks

    destin_meeks I fix people's crappy stereos

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    The JBL system only uses the front speaker wires. This is because the amp does fade digitally inside the amp. The nicer harnesses (PAC, maestro, etc) can control the amp via the data system, but some of the more simple harnesses just feed the amp left and right audio and you don’t have fade control.
     
    DesertRatliff [OP] likes this.
  3. Jan 20, 2020 at 12:12 PM
    #3
    DesertRatliff

    DesertRatliff [OP] Well-Known Member

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    Thanks for the reply. Using that info, I made my own Frankenstein harness with RCA out and one of the digital gain/faders included in an aftermarket harness.

    I'm headed out to see if it works, but would still love to see a pin-out if anyone has one. Still not 100% sure I got it right.
     
  4. Jan 20, 2020 at 12:23 PM
    #4
    destin_meeks

    destin_meeks I fix people's crappy stereos

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    what brand and model harnesses did you get
     
  5. Jan 20, 2020 at 2:02 PM
    #5
    DesertRatliff

    DesertRatliff [OP] Well-Known Member

    Joined:
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    I first got this harness:
    https://www.amazon.com/gp/product/B01BM3QGD8/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1

    and then realized it wasn't for JBL, so got this one:
    https://www.amazon.com/gp/product/B01BM3QGAG/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1

    but they sent me the wrong harness and made a big deal out of me trying to return it.

    The lousy customer service led me to keep looking, so I found a link for this one:

    https://www.ebay.com/itm/RP3-2-TY11...e=STRK:MEBIDX:IT&_trksid=p2060353.m2749.l2649

    It was massive and shrink wrapped and had all kinds of plugs I didn't need so I thought it was the wrong one, too, but after deconstructing it, I saw that it's an all-in-one harness with 3 other plugs to cover all Toyotas. Long story short, I should have just tried it as-is because I ended up popping a fuse using the modified harness I built and now I'm not sure why. The harness I made is cut to exact length, soldered and heat-shrunk and only uses the connectors necessary so I'd love to use it but still would love to get a pin-out if someone has one handy so I can troubleshoot.

    Thanks!
     
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