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96 378 no cab light issue

Discussion in 'Peterbilt Forum' started by irishluck09, Apr 23, 2020.

  1. Apr 23, 2020 #1
    irishluck09

    irishluck09 Light Load Member

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    Nov 24, 2019
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    1996 pete 378 with 3406e.

    Recently noticed my carblights werent working(top of truck)but all my other lights work. I checked the wires that go up to the lights in the top compartment by the radio and have no power.

    Ive checked the fuse panel down by the pedals and everything seems okay.
    The plug is fully plugged into the switch.

    Im lost at what to look for at this piont.
    Any suggestions?
     
    irishluck09, Apr 23, 2020
    irishluck09, Apr 23, 2020
    #1
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  3. Apr 23, 2020 #2
    SmallPackage

    SmallPackage Road Train Member

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    Marion Texas
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    Petes of that vintage The marker light toggle switch on the dash usually operates those ICC cab lights separately from the rest on tractor. The headlight switch operates the headlights, parking lights on the headlight pods and the taillights.
    Check that switch to see if bad than troubleshoot from there.
     
    SmallPackage, Apr 23, 2020
    SmallPackage, Apr 23, 2020
    #2
    Bean Jr., mslashbar and Roger McG Thank this.
  4. Apr 29, 2020 #4
    irishluck09

    irishluck09 Light Load Member

    271
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    Nov 24, 2019
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    I found that pretty interesting when i bought this truck that iths a seperate switch for those lights
     
    irishluck09, Apr 29, 2020
    irishluck09, Apr 29, 2020
    #4
  5. Apr 29, 2020 #4
    SmallPackage

    SmallPackage Road Train Member

    5,535
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    Dec 20, 2019
    Marion Texas
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    It’s a throw back to when those 3 lights were not required in every state. You only needed to turn them on where required.
     
    SmallPackage, Apr 29, 2020
    SmallPackage, Apr 29, 2020
    #4
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