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  1. C250 2012 Audio 20 No Sound Harman/Becker Amp

    Audio & Telematics Forum
    The Audio 20 system seems to work fine with radio, cd, telephone but I can get no sound from the system. The amplifier in the trunk (Harman/Becker) seems to be getting the Fiber Optic Signals. It also seems as though the amplifier is sending a fiber optic pulse back. With the fiber optic cable...
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