Factory hed unit upgrade issues

Discussion in 'Gen 3 Prius Audio and Electronics' started by Chalicekey, Jun 21, 2019.

  1. Chalicekey

    Chalicekey New Member

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    Vehicle:
    2010 Prius
    Model:
    Two
    I bought a touch screen factory prius radio to upgrade from the standard CD player.
    Got a good deal on it.
    2 problems...
    1st was the FM antenna is not the same plug in.
    I found an adapter for that online.
    2nd problem is the last remaining plug does not fit...
    It seems to be the speaker plug in as the unit will power up and connect with bluetooth but no sound is making it to the speakers.
    Is there an adapter to go from the prius 2 audio to the touchscreen?
    Thanks.
     

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  2. GregPL

    GregPL New Member

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    Hi!

    that strange, because according to wiring diagrams L34 plug used in "regular" radio receiver (assuming you have this one) looks exactly the same like L146 plug (used in radio and display receivers).
    Anyway: speaker wires are colour coded the same way in both cases:
    FR+ (light green)
    FR- (blue)
    FL+ (pink)
    FL- (violet)
    RR+ (red)
    RR- (white)
    RL+ (black)
    RL- (yellow)

    So: does your "remanig plug" have those wires?

    Regards,
    Greg
     
  3. Chalicekey

    Chalicekey New Member

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    I don't know if it matters but my prius is a 2010 and the unit came out of a 2013.
     
  4. Chalicekey

    Chalicekey New Member

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    20190625_173503.jpg
    Here are some pictures from my problematic install.
    To recap I am pulling a single din 2010 factory CD player.
    And putting in a 2013 factory double din unit.
    The first picture is the orgional unit with everything plugged in.
    The ones that follow are the new unit with everything plugged up except for the one plug that is to small.
     

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  5. Chalicekey

    Chalicekey New Member

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    Location:
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    Vehicle:
    2010 Prius
    Model:
    Two
    This seems to be the input that is larger than the plug in that I have.
     

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  6. frodoz737

    frodoz737 Top Wrench

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    FWIW and AYK...2010 Prius II to 2013 JBL DD is not a direct swap. Prior to buying my 2010 Prius II my research showed the same for upgrading to that years factory JBL. I went with the Level II on purpose because it was easier to upgrade using aftermarket. These are the prints for 2010 and as you can see it's just to much trouble. You would have to do a complete system swap and do a lot of wiring splice and dice. I would respectfully suggest you consider going after-market with a HU. Adaptors are available and you can go from simple to full blown like I did depending on what you want and/or can afford. This will take you to my PC Media page https://priuschat.com/members/frodoz737.67749/ and look hard at spiderman's sticky 2010 Toyota Prius model II Head Unit Upgrade | PriusChat. The second pdf below is the Prius II factory base system. Also, base system is 4 ohm and JBL is 2 ohm.
     

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