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How to install a 2009+ OEM Radio w/AUX-IN in 2005-2008 Tacoma

Discussion in 'Audio & Video' started by billyjoe, Jan 14, 2011.

  1. Aug 14, 2011 at 10:27 PM
    #21
    billyjoe

    billyjoe [OP] Taco Fever - I've got it bad!

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    Bill
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    Your welcome! BTW, was your 05 DC already wired for a JBL system or did you convert a non-JBL? I ask because I'm currently working on a 09+ JBL wiring harness that simply plugs into an existing 05-11 non-JBL system. Also have part #s for all components (e.g. BT SWI, Cable, etc.) If you need further info, just let me know. :)
     
  2. Aug 15, 2011 at 8:38 AM
    #22
    fbconvert

    fbconvert It works if you work it.

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    Bought as a wrecked vehicle almost done repairing it. It is my daily driver
    It was wired for JBL already. A few things did surprise me though. When they added bluetooth in 2009 they also updated the amplifier. Since the speed sensor and bluetooth voice input all run through the amplifier I thought I would need to update that as well. This was not the case. I used the same pin configuration from the FSM and was pretty excited when that obnoxious loud voice from the bluetooth radio started shouting instructions to me. I have a pretty scattered/unorganized thread about all the stuff I did to make the BT work here if you are interested.

    I could definitely see where a JBL harness would be very handy for someone who wanted to upgrade. I have seen head unit and amplifier combos go for pretty cheap. It kind of reminds me of this pdf installation I saw for tundras. I attached it in case you haven't seen it yet. It basically goes through the steps for upgrading a tundra that did not come with a separate amplifier to a nav unit which requires a separate amplifier.

    One request though... How do you find part numbers for the harness pins? I had a few extra that I swiped from a wrecked tacoma but I didn't know what I was looking for at the time. They work for now but I would like to get the right ones eventually.
     

    Attached Files:

  3. Aug 15, 2011 at 8:49 PM
    #23
    billyjoe

    billyjoe [OP] Taco Fever - I've got it bad!

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    Reference the Connector List and Part Number Of Connectors sections of the OEM Wiring Manual (see link below). Then, cross-reference connector part # in the Toyota Wire Harness Repair Manual (see link below) to get corresponding Wire/Terminal part #.

    2005 Toyota Tacoma OEM Wiring Manual:
    http://www.customtacos.com/tech/files/05FSM/wiring.html


    Toyota Wire Harness Repair Manual:
    http://www.scribd.com/doc/21980878/Toyota-Wire-Harness-Repair


    For 2009+ connectors/terminals, I usually subscribe to Toyota TIS for 2 days ($15) and reference their interactive EWDs.

    Toyota Technical Information System (TIS):
    http://techinfo.toyota.com
     
  4. Jan 21, 2012 at 1:07 PM
    #24
    billyjoe

    billyjoe [OP] Taco Fever - I've got it bad!

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  5. Aug 8, 2012 at 9:46 AM
    #25
    Jeromes

    Jeromes Member

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    Do you know why the OEM Aux-In Jack has the two resistors in place? I have done the same type of mod to a number of Subarus (installed newer radio with aux in capability) and made up a aux in harness that had a single wire that you connected directly to ground to enable the aux input on the radio. Not sure why the radio would want to see a 15.05K resistor if the aux cable was not inserted in the jack and then a 2.76K resistance when the cable was inserted in the jack.

    I have a 2011 non JBL radio that I will install in a 06 tacoma. My plan was to add the necessary pins to the existing 20 pin connector to bring out the aux connector to a standard stereo plug and connect the AUXI signal (Conn R3-19) to AGND (Conn R2-18).

    Do you see any issue with doing this?

    Thanks
     
  6. Aug 8, 2012 at 11:12 AM
    #26
    billyjoe

    billyjoe [OP] Taco Fever - I've got it bad!

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    As stated in NOTES:
    1. Internal switch (in jack module) closes when audio plug inserted.
    Resistors R1 & R2 are then in parallel (2.76k), pulling AUX-In
    Enable signal (AUXI) low, signaling radio that AUX-In is active,
    automatically selecting AUX-In as source.

    Yes, grounding the AUXI signal will permanantly enable the AUX in port. Obviously, this is not ideal considering you have several sources (AM/FM/SAT/CD).
     
  7. Aug 8, 2012 at 11:25 AM
    #27
    Jeromes

    Jeromes Member

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    All i can guess is that the radio prefers to not see a open circuit when the aux plug is not inserted (i.e. 15K resistor), and that the parallel combination of 2.76K pulls the signal low enough to enable the radio.

    I do not have the external aux jack (yet). I will take a 3.5mm harness, attach pins to the right & left audio, and the shield. connect them to the correct pins in the existing 20 pin connector in the truck. add a 2.76K resistor to two pins and add that to the existing connector pins 19 and 18. That will enable the aux input all the time. This would mean that I might have to touch the aux/disc button two times to select the aux input if I have a disc in the unit.
     
  8. Dec 27, 2012 at 10:19 AM
    #28
    nrojay

    nrojay Active Member

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    was you able to perform this mod ?

     
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