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Front speakers don't work with my aftermarket HU

Discussion in 'A3/S3 Forum (8L Chassis)' started by Mi11ar, Mar 22, 2014.

  1. Mi11ar
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    Mi11ar Member

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    [Mar 22, 2014]
    Front speakers don't work with my aftermarket HU, I've bought 2 different adaptors from Halfords both of which the sales assistant assured me that it would solve it, but on both occasions nobody was available to fit....

    So I've tried it myself, with the first adaptor I can get audio but only from the rear speakers and there's very little bass.

    The second adaptor I can't get any power to the head unit.

    I've taken some pics:

    Current set-up (only the rear speakers work with this setup)



    [​IMG]

    New adaptor (can't figure out how to get them to work, no power seems to get to the HU)

    [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]

    1 more thing the HU resets when ever the ignition is turned off.
    Last edited: Mar 22, 2014
    #1
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    [Dec 19, 2014]

  3. jojo
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    jojo Looking for Boost! Staff Member Moderator

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    [Mar 22, 2014]
    Swop the yellow and red leads over, and that will fix the power/standby issue. Can't help with the front speaker issue though.
    #2
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  4. russwuss
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    russwuss Active Member

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    [Mar 22, 2014]
    I thought you had to make your own ignition live (yellow wire)?
    I had to run a wire from the ignition live under the drivers footwell to the back of the stereo.. That gave it power... As for the front speakers, do you have Bose? I'm sure that changes things....
    #3
  5. jojo
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    jojo Looking for Boost! Staff Member Moderator

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    [Mar 22, 2014]
    Only if you have CanBus, his dash is pre facelift, so not CanBus I think.
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  6. Mi11ar
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    Mi11ar Member

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    [Mar 22, 2014]
    I'd rather avoid having to play about with wires and stuff as I'm not that experienced I'd probably do more damage than anything.

    I'll more than likely grab the sales assistant that sold me the adapter and ask him to fit it for me, atleast then if it doesn't work I'll ask for my money back.

    An cheers Jojo that worked what you told me :)
    #5
  7. nicksthebiz
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    nicksthebiz Member

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    [Mar 23, 2014]
    Is urs a bose system and are there any rca outputs on the reverse of the aftermarket HU ?
    #6
  8. Jay 01 s3
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    Jay 01 s3 Member

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    [Mar 24, 2014]
    I have the same problem, but my rear speakers won't work, does anybody know of the proper lead for it? Car is 01 facelift s3
    #7
  9. nicksthebiz
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    nicksthebiz Member

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    [Jul 19, 2014]
    I had to use some rca splitters if i remember correctly that worked or me
    #8
  10. A3-Lee
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    A3-Lee Active Member

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    [Jul 19, 2014]
    If it's Bose it's auto leads pc9-410 I believe
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