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Audi A4 B7 Audi Navigation rear speakers do not work after replacing the radio w

konrad2k9 18435 7
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  • #1 16928741
    konrad2k9
    Level 12  
    Hello,
    Radio with navi Audi a4 b7. Replaced for new on Android, a problem well known in the form of non-working rear speakers. I was looking for ISO cables to run the rear speakers but there are a lot of them and I do not know what to choose. I was looking for Natcar audio. I add a few pictures of how the connectors in the car and radio look.
    If someone had a similar problem, please advise which adapter to choose.
    Audi A4 B7 Audi Navigation rear speakers do not work after replacing the radio w Audi A4 B7 Audi Navigation rear speakers do not work after replacing the radio w Audi A4 B7 Audi Navigation rear speakers do not work after replacing the radio w Audi A4 B7 Audi Navigation rear speakers do not work after replacing the radio w

    Photo of Radio
    Audi A4 B7 Audi Navigation rear speakers do not work after replacing the radio w
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  • #2 16928959
    rybeh
    Level 27  
    On the radio, the output to the rear speakers is on the marked pins.
    There is no wires in the car's ISO plug.
    The rear speakers have their own amplifiers (BOSE). And the signal comes to them
    from the green plug.
    Attachments:
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  • #3 16944739
    konrad2k9
    Level 12  
    This is not BOSE. This is the sub version at the back. The equivalent of "green" cubes are chinches, connecting them to the radio, unfortunately, nothing plays ... Is the appropriate module needed for this? if so, which ...?
  • #4 16944864
    g107r
    Level 41  
    Does the sub back know he is supposed to play?
    I get a radio signal about turning on?
  • #5 16944939
    konrad2k9
    Level 12  
    I didn't check it, how do I check it the fastest? If the CAN adapter has the inscription "FOR AUDI A3" and this is audi a4 b7, then there may be a whole reason?
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  • #7 20736319
    kamilinternetowy
    Level 1  

    Did you manage to solve the problem? I have the same one, namely Android radio with Ali and the rear speakers do not work. However, the amplifier receives a signal because it is turned on, only a slight noise can be heard in the speakers, nothing else.
  • #8 20834973
    pineappleexpressh
    Level 1  

    Hi all. I have a problem. Today I disconnected my battery to restart the car computer and I forgot that my radio will enter safe mode and ask me for a code that I don't have. After all this, I went on the Internet and looked for how to find out that code. By chance, I discovered a tool (https://radiocodefinder.com/audi-radio-code-2) that gives me that code with the help of the radio's serial number. I entered that number and received the code quickly, and now my car radio works. You can try it too, I, for one, was satisfied with it.
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Topic summary

The discussion revolves around the issue of non-functioning rear speakers in an Audi A4 B7 after replacing the original radio with an Android unit. Users highlight that the rear speakers may require specific ISO cables or adapters, as the existing wiring may not support the new setup. Some participants mention that the rear speakers are connected to an amplifier, and there are concerns about compatibility with the CAN adapter. A user also shares a solution for retrieving the radio code after disconnecting the battery, which can help restore functionality to the radio system.
Summary generated by the language model.
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