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Please help with aftermarket stereo 1.8t cabriolet

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by mickmk4, Jan 30, 2011.

  1. mickmk4

    mickmk4 New Member

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    Hi there, im new here and just moved up from my Mk4 Golf, bought myself an A4 cabriolet 2003 sport model.

    I went to fit my aftermarket headunit today however when i pulled the standard headunit out (concert) i realised that i need 2 things an aerial adaptor which i think is

    PC5-90 Audi A2 A3 A4 Amplified ISO - DIN Aerial Adaptor on eBay (end time 12-Feb-11 09:42:09 GMT)

    and a wiring adaptor ive read through most of the posts and cant understand what i need between the PC9-404 or the PC9-401??

    when i plugged the new headunit in it sounded like just the 2 front tweeters were working, the audi loom has 3 iso blocks, 2 normal and 1 longer block connector and to make things more confusing theres a little brown plug that plugs into the old headunit lol :banghead:

    the new headunit has rca's if that helps

    can somebody please help me out as im so confused and dont want to pay 35 notes to my local electrician ontop of the adaptor prices lol

    thanks in advance Mike
     
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  3. AndyMac

    AndyMac Moderator
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    You need the PC9-404. The 401 uses a hi-lo converter on your speaker outputs to feed them to the rear amp. You have RCA's so you need the 404 which feeds your rear RCA's directly to the amp.
    You'll also need a fascia plate
     
  4. mickmk4

    mickmk4 New Member

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    Cheers Andy i got my adaptor this morning, i think i only really needed the red block connector but whats the blue lead coming from the red connector for it looks like a remote wire to turn the amp on, is that correct?

    Thanks again, Mike
     
  5. MarkWizard

    MarkWizard Member
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    Yes thats right Mike - just fitted one in my saloon
     
  6. CHRIS555

    CHRIS555 DOPE with added OCD

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