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3rd gen Stereo wiring diagram

Discussion in '3rd Gen. Tacomas (2016-2023)' started by WunderSlug, Dec 12, 2018.

  1. Dec 12, 2018 at 8:27 AM
    #1
    WunderSlug

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    WunderSlug [OP] Well-Known Member

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    Let's start with another "I used the search function, but it sucks"...Although I also used the google machine to search this site as well, without coming up with the info I need. Which is strange since that is usually spot on.

    I'm likely getting an ATOTO A6 head unit for Christmas, which begs the question, "How the hell do I wire this thing???"

    Here's the image of the back of the unit with the wires, colors, and designations:

    Can anyone provide me a similar diagram for the truck connectors themselves, so I can match up the wires to an aftermarket harness?

    Thanks for any and all help!

    atoto wiring.jpg
     
    WunderSlug, Dec 12, 2018
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  2. Dec 12, 2018 at 11:58 AM
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    ShirtTucker

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    ShirtTucker Taco Tip Line: 248-434-5508

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    ShirtTucker, Dec 12, 2018
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  3. Dec 12, 2018 at 12:13 PM
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    WunderSlug

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    WunderSlug [OP] Well-Known Member

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    WunderSlug, Dec 12, 2018
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    17Tacomuh and LilTexan22 like this.
  4. Dec 12, 2018 at 3:35 PM
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    ShirtTucker

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    ShirtTucker Taco Tip Line: 248-434-5508

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    Ha! I was going to post screen shots from that video, but I didn't know if you had a JBL or non-JBL system.
     
    ShirtTucker, Dec 12, 2018
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  5. Dec 12, 2018 at 5:20 PM
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    WunderSlug

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    WunderSlug [OP] Well-Known Member

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    Yeah looking at it further, that video doesn't seem to show nearly enough wires for reverse camera, steering wheel controls, etc.
    Don't know if it's JBL or not. I'm assuming it would say JBL somewhere, and I don't see it. Sorry for the crappy nighttime pic, but it's all I got.

    *edit - Updated pic. In trying to match up wires on stock Toyota harnesses, everything matches up except 3 from the back of the head unit.
    1. Pink - rear camera
    2. Brown/black - steering wheel key (although orange/black also says steering wheel key, and that matches up.)
    3. Brown - parking brake.

    I was going by the wiring harness ********* sells: https://*********.com/wp-content/uploads/2015/01/Toyota-Stereo-Wire-Harness-Adapter-aftermarket-stereo-installation.jpg

    IMG_20181213_084325382_HDR[1].jpg
     
    Last edited: Dec 13, 2018
    WunderSlug, Dec 12, 2018
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  6. Dec 13, 2018 at 9:51 AM
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    WunderSlug

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    WunderSlug [OP] Well-Known Member

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    I've also opened a ticket at *********.com to see if they have a solution...
     
    WunderSlug, Dec 13, 2018
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  7. Jun 21, 2020 at 8:58 PM
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    Brooksh

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    Brooksh Member

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    this was a huge help with my built, thank you!
     
    Brooksh, Jun 21, 2020
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  8. Jul 17, 2021 at 4:56 PM
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    doylee4693

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    doylee4693 Well-Known Member

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    Why does that vid say “if you are installing aftermarket stereo, make sure to buy a harness and do not cut any of these wires”? I plan on running an amp to power the aftermarket kicker door speakers, and i was just going to go from amp to headunit and splice into each speaker wire from there. First time doing anything like this and I just want some extra sound is all.
     
    doylee4693, Jul 17, 2021
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  9. Dec 28, 2023 at 8:52 PM
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    17Tacomuh

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    17Tacomuh New Member

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    So those rear colored wires are the wires I would tap into for the LOC? From what I've read I'd only have to tap into one side because they both carry the same signal. Would you know if thats true?
     
    17Tacomuh, Dec 28, 2023
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  10. Dec 29, 2023 at 4:08 PM
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    soundman98

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    soundman98 Well-Known Member

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    because adapters exist everywhere, to adapt in any direction imaginable, and maintain the integrity of the factory wiring. the first trouble spot in any wire is a splice. rarely does the factory crimped wiring go bad anywhere in it's entire length.

    ALWAYS use a harness for any stereo modification. it also makes troubleshooting issues that much easier as well.

    i'm not entirely sure what your asking.

    first, we have to assume you have a non-jbl audio system. the jbl equipped trucks have their own amp and wiring behind the rear seats by the included subwoofer. the amp receives a digital signal from the radio, which cannot be cheaply interfaced with.

    second, you don't want to connect to the rear speaker outputs specifically because they have a neutered signal over the front speaker signal as part of the factory radio eq programming.

    instead, get a harness like this. yes, it's $50, but you'll easily spend that much botching the wiring job and having to pay someone else to fix it.

    $50 Add an Amp Amplifier Adapter Interface to Factory OEM Car Stereo Radio System for Select Toyota Vehicles- Add Subwoofer Bass Amp - No Factory Premium Amp- Vehicles Listed Below
    https://www.amazon.com/Amplifier-In...x=tacoma+line+output+converter,aps,166&sr=8-4
     
    soundman98, Dec 29, 2023
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    Stevie17 likes this.
  11. Dec 29, 2023 at 4:48 PM
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    17Tacomuh

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    17Tacomuh New Member

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    That’s actually pretty cool, I didn’t know adapters like this existed. The add says it’s for 20-23 year models I have a 2017. Any chance this could work with mine?
     
    17Tacomuh, Dec 29, 2023
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  12. Dec 29, 2023 at 5:18 PM
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    soundman98

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    soundman98 Well-Known Member

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    soundman98, Dec 29, 2023
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