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What are these speakers for?

Discussion in 'Freightliner Forum' started by Darklance, Jul 19, 2021.

  1. Jul 19, 2021 #1
    Darklance

    Darklance Bobtail Member

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    May 25, 2019
    Salt Lake City
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    Just bought a 2018 Cascadia (P3 125) and I've always been confused about these extra speakers above the door. I'll post a picture below of what I'm talking about. Anyone know?
     

    Attached Files:

    Darklance, Jul 19, 2021
    Darklance, Jul 19, 2021
    #1
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  3. Jul 19, 2021 #2
    Arctic_fox

    Arctic_fox Experienced mx13 execrator

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    CB radio and/or lane departure system.
     
    Arctic_fox, Jul 19, 2021
    Arctic_fox, Jul 19, 2021
    #2
    Darklance, Rideandrepair and Magoo1968 Thank this.
  4. Jul 19, 2021 #3
    RocketyMan

    RocketyMan Medium Load Member

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    Jun 5, 2015
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    Yeah...those could be your LDW (Lane Departure Warning speakers). They are supplemental to your radio speakers. Usually 3rd party collision mitigation systems are designed with their designated speakers.

    You should have one on the corresponding passenger side as well.
     
    RocketyMan, Jul 19, 2021
    RocketyMan, Jul 19, 2021
    #3
    Darklance and Rideandrepair Thank this.
  5. Jul 19, 2021 #4
    ibcalm19

    ibcalm19 Road Train Member

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    It is the early warning system speaker. This is a warning you will receive further information on what to do stay tuned:D:D
     
    Last edited: Jul 19, 2021
    ibcalm19, Jul 19, 2021
    ibcalm19, Jul 19, 2021
    #4
    Darklance, Rideandrepair and Kyle G. Thank this.
  7. Jul 19, 2021 #5
    Anywhichwaybutloose

    Anywhichwaybutloose Light Load Member

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    Jun 24, 2017
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    External speaker for CB or ELD.
     
    Anywhichwaybutloose, Jul 19, 2021
    Anywhichwaybutloose, Jul 19, 2021
    #5
    Darklance and Rideandrepair Thank this.
  8. Jul 20, 2021 #6
    Darklance

    Darklance Bobtail Member

    22
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    May 25, 2019
    Salt Lake City
    0
    Wow, thanks! The LDW system seems to be inactive, I wonder if the speakers got "unplugged" when this was a company truck. Would be cool to wire each of them up to different CBs, one on 19 and the other on scan.
     
    Darklance, Jul 20, 2021
    Darklance, Jul 20, 2021
    #6
  9. Jul 20, 2021 #7
    RocketyMan

    RocketyMan Medium Load Member

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    Well there's a way to determine if it came from the factory for a LDW system...
     
    RocketyMan, Jul 20, 2021
    RocketyMan, Jul 20, 2021
    #7
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