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Stereo issues

Discussion in 'Peterbilt Forum' started by Phatmat75, Dec 21, 2019.

  1. Dec 21, 2019 #1
    Phatmat75

    Phatmat75 Bobtail Member

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    Dec 21, 2019
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    Put a new Bluetooth stereo in and power only comes on when my running lights are on, is it a harness issue or something like that
     
    Phatmat75, Dec 21, 2019
    Phatmat75, Dec 21, 2019
    #1
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  3. Dec 21, 2019 #2
    Roberts450

    Roberts450 Road Train Member

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    Yes it would be a harness issue, most likely something was miss wired in the jumper harness from the factory plug to the plug for the new radio.
     
    Roberts450, Dec 21, 2019
    Roberts450, Dec 21, 2019
    #2
  4. Dec 21, 2019 #3
    Roberts450

    Roberts450 Road Train Member

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    But first was it a factory radio from peterbilt that you put in or an after market radio??
     
    Roberts450, Dec 21, 2019
    Roberts450, Dec 21, 2019
    #3
  5. Dec 21, 2019 #4
    QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    romulus,mi
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    You hooked up your yellow or red wire from stereo to the truck illumination wire. With a test light, you will see that one of those wires will light it up while you are flipping the light switch on and off. Yellow-12 volt battery power. Red- key power. Replacement radios don't need an illumination wire.
     
    QUALITYTRUCK, Dec 21, 2019
    QUALITYTRUCK, Dec 21, 2019
    #4
    pushbroom and spsauerland Thank this.
  7. Dec 22, 2019 #5
    RocketScott

    RocketScott Medium Load Member

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    Some use the illumination wire to dim the display
     
    RocketScott, Dec 22, 2019
    RocketScott, Dec 22, 2019
    #5
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