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Installed new headunit and unconnected wires

Discussion in 'Gen 3 Prius Audio and Electronics' started by d.joulez, Dec 11, 2022.

  1. d.joulez

    d.joulez Junior Member

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    Hi group!

    i installed a new head unit today and the factory harness had a few cables that didn’t have anywhere to plug into on the new head unit

    anyone here have any idea what they’re used for?

    I snapped a photo

    also- if there’s anyone in Vegas with a pink noise mic tuner and is down to help show me how to tune a new system. I’d super appreciate it!
     

    Attached Files:

    #1 d.joulez, Dec 11, 2022
  2. bisco

    bisco cookie crumbler

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    do all the steering wheel controls work?
     
    #2 bisco, Dec 11, 2022
  3. d.joulez

    d.joulez Junior Member

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    Yep
     
    #3 d.joulez, Dec 11, 2022
  4. prius2010II

    prius2010II Member

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    Same issue, absolutely no issues. Everything works. I never bothered to find a schematic. Possibilities include BT microphone wiring, wiring for external XM tuner (some cars XM is external some built in to HU) even possible car was wired for external device such CD changer.
     
    #4 prius2010II, Dec 11, 2022
    Last edited: Dec 11, 2022
    bisco likes this.
  5. Montgomery

    Montgomery Senior Member

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    Is your Prius a 2011-2015 model? If so, what head unit did you buy? Looks like the unit you purchased can with the proper harness because you stated everything seems to be working.
     
    #5 Montgomery, Dec 12, 2022
  6. d.joulez

    d.joulez Junior Member

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    i installed a alpine ILX650 into my 2014 prius plug in - and yes. Everything is working well
     
    #6 d.joulez, Dec 12, 2022
  7. Attila Fekete

    Attila Fekete Member

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    The blue and the white looks like antenna cables. I don’t know the grey by heart.
     
    #7 Attila Fekete, Dec 13, 2022
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