Question about Pioneer DEH-P3900MP CD Player

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No sound I tried installing the p3900mp in a 98 mazda protege, used the appropriate harness and made sure the ground was secure. When I turned the unit on, it powered on fine and was fully functional, but I got no sound from any of the speakers. I checked all speaker wires, all connections are good, and the speakers worked before with the factory radio...any suggestions? Did I miss something? This is a present for someone, please help!

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  • Anonymous Jan 11, 2008

    I am having the same problem. I will call Pioneer for help tomorrow.

  • cthepositive May 05, 2008

    same issue with 98 bmw 328i . all lines appear to be mapped correctly in harness. but no sound out anywhere, no hiss, just silence

  • Anonymous Jan 04, 2009

    no sound, had sound before removing sub and amp

  • Jango Fixit
    Jango Fixit May 11, 2010

    Did you ground the speaker negative terminal wires during installation?( or maybe just one of them is touching chassis)

    That might have blown the sound power output chip.

    Jango

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DID YOU TRIGGER THE AMP WITH THE BLUE WIRE TO TURN ON THE FACTORY AMP[IF IT HAS ONE]

Posted on Sep 29, 2008

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