Question about Kenwood KDC-MP338 Car CD Player

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No sound. new install.replaced hole in dash.existing wire harness did not match new plug.i spliced wire color for wire color with 1 difference.kenwood harness wire color,blue/white (power control/motor antenna wire) i spliced to unknown blue/white wire on old harness.radio lights up and when in tuner mode shows stereo light w/no sound.does the same when playing cd.

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  • itshimself Oct 24, 2008

    whats a simple way to check wiring to speakers?can i do it with a multimeter?WHAT settings to use?

  • itshimself Oct 24, 2008

    excellent diagnosis!the speaker ground wires were the culprits.they were refastened with fresh soldered terminals and i now have the pleasure of mozart in my ears.regards to the guru.

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  • Kenwood Master
  • 19,396 Answers

The first thing you need to do is doublechecking all the new wirings, it sounds like a contact.

Posted on Oct 24, 2008

  • 2 more comments 
  • Ginko
    Ginko Oct 24, 2008

    You need to get the wiring diagrams and check the wirings.

    Check all wirings to speakers first.

    If radio display works and change stations etc, but there is no sound, then it is speaker wirings, check them out.

    If radio is stuck and display on, but does not operate , then is a contact or a bad wiring.

    If the wirings are Ok, then the amp is gone.


  • Ginko
    Ginko Oct 24, 2008


    Depends on what problem you have.
    If the radio operates but there is no sound, check the ground wiring to the speakers.
    If radio does not operates then check power connectors.

    If there is no sound you can connect the radio to a test speaker to ensure that is not faulty.

    If the radio operates, check also settings.


  • Ginko
    Ginko Oct 24, 2008

    If you use a multimeter you can test cable to speakers for continuity, and find out which connects to the speaker.
    If wirings are factory ones, you find complete wiring diagrams in the Haynes manual.


  • Ginko
    Ginko Oct 24, 2008

    Lol, nice!

    Thanks.


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