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Headunit upgrade harness???

Discussion in 'A3/S3/Sportback (8P Chassis)' started by KejA3, Aug 25, 2012.

  1. KejA3
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    KejA3 New Member

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    I am removing the double din symphany unit to replace with an Alpine one, it seems the adaptor harness supplied is the wrong one. The car has a Bose system, what harness do I need as the supplier isn't sure as there are a few versions for the Bose system. Full applified or partial?????
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  2. audicruiser
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    audicruiser Audi Heaven

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    Bose system is fully amplified from the Bose amplifier.

    what year is your car?
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  3. KejA3
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    KejA3 New Member

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    It's 2003 53 plate.There are 2 main plugs for speaker/power etc 1 large block, 1 small block then the aerial and some other single orange plug?
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  4. KejA3
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    KejA3 New Member

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  5. audicruiser
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    audicruiser Audi Heaven

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    On the top of your Audi unit, there should be a sticker showing what each pin for each block connector is for...
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  6. KejA3
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    KejA3 New Member

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    Thanks, I'll have a look, hopefully they can then work out which adaptor harness we need.
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  7. audicruiser
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    audicruiser Audi Heaven

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    If your sticker is missing then my old Symphony is in a box in the garage. I'll take a picture of mine and post it up.
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  8. KejA3
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    KejA3 New Member

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    Thanks for that, sticket still there

    Large plug is CD, CAN and line out, smaller plug is +, - ,alarm gnd and bose.
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  9. NHN
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    NHN Modmetractor Site Sponsor

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    Ask Andymac in the Ice section.
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