2020 Peterbilt 579 Radio Wiring Diagram needed

Discussion in 'Peterbilt Forum' started by cwarner37062, Sep 4, 2022.

  1. cwarner37062

    cwarner37062 Bobtail Member

    3
    1
    Sep 4, 2022
    Tennessee
    0
    Hello,
    New here and am looking for a radio wiring diagram for a 2020 Peterbilt 579, Vin LD704424
    I need to be able to identify Power, ground etc., as the OEM plug does not match traditional radio wires. OEM harness has 2 yellows, green, and the black power is a separate black plugged into its own power port on the Delphi radio.
     
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  3. Banker

    Banker Road Train Member

    3,191
    8,089
    Aug 19, 2012
    0
    Are you putting an aftermarket radio in place of the factory radio? If so Raney’s.com or Amazon may have the adapter to help you. I did this years ago and the adapter came with the wiring diagram I needed to properly hook it to the truck wiring harness without cutting any wires. Something similar to one in the picture is what I used by soldering it to the plug that came with my new stereo. The adapter plugged directly in to the trucks wiring harness when the OEM radio was disconnected. 5F4EDB5D-5400-44A4-8E41-01388288D841.png
     
  4. cwarner37062

    cwarner37062 Bobtail Member

    3
    1
    Sep 4, 2022
    Tennessee
    0
    I appreciate the info. I overnighted one of those harnesses. Greatly appreciate the quick response. That should solve it
     
    Banker Thanks this.
  5. BRD TRANSPORT

    BRD TRANSPORT Light Load Member

    103
    29
    Jul 6, 2018
    0
    Run wire directly to batteries with a 25 Amp online fuse
     
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