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How convert CD Changer to 3.5mm plug?

Discussion in 'All other topics' started by solomong, Aug 23, 2010.

  1. solomong

    solomong Member

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    My car has the CD-changer-ready stock radio system. I currently have a FM modulator for my MP3 player but the sound quality is pretty mediocre. I would like to add a music player/aux-in so I was browsing through what connections there are.

    The CD changer is controlled through the i-bus but the audio connection seems pretty basic. Would it be this simple to tap into the line-out from the back input of the radio to the CD-changer to a 3.5mm jack on a music player? I have seen an Alpine M-Bus to 3.5mm cable, but I'm not sure if by using only that and plugging the player I will have sound. I think that the changer (if it had one)sends some kind of signal to the radio saying that it is there and can be used. I don't know if the same thing will happen with the MP3 player or will it just sit there without sending sound.

    I think is just too easy to plug the cable adapter and hope for it to work. Does anybody have experience with this?
     
    Last edited: Aug 23, 2010
  2. ddp

    ddp Moderator Staff Member

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    moved to correct forum as not an audio issue.
     
  3. solomong

    solomong Member

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    Ok...didn't know.
     
  4. KillerBug

    KillerBug Active member

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  5. solomong

    solomong Member

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    Thanks but that's only a 3.5mm female to RCA, it has nothing to do with a cd-changer M-Bus plug.
     
  6. KillerBug

    KillerBug Active member

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    Sorry...didn't even read your whole post the first time.

    Your MP3 player needs nothing to tell it to send sound other than what you would do to use it with headphones. I found a pinout of the m-bus that seems to show that it is just a simple Left/Ground/Right input...so a cable like this one: http://www.amazon.com/PIE-ALP-M-3-5..._2?ie=UTF8&s=automotive&qid=1282983084&sr=8-2 should work.

    Here is the pinout if you want to try to make it yourself.
    http://kiora.ath.cx/alpine/7513din.gif

    ...or if you already have a 3.5 to twin RCA adapter, you could save a few buck by getting this cable: http://www.amazon.com/PIE-M-RCA-Alp..._4?s=automotive&ie=UTF8&qid=1282983358&sr=1-4
     
  7. solomong

    solomong Member

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    Great, man, that's all I needed to hear. Thanks again.
     
  8. solomong

    solomong Member

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    I bought the cable off ebay, installed it, but it didn't work. I pushed the AT-M button (don't know why it is called that)but all I could hear was a very faint sound of music in the background. I have a Suzuki 10 disc-changer-able radio.
     
    Last edited: Sep 11, 2010
  9. ddp

    ddp Moderator Staff Member

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    if can hear music but barely then maybe need an amplifier?
     

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