579 wiring question.

Discussion in 'Peterbilt Forum' started by JadedGrace, Mar 4, 2016.

  1. ofgorsi

    ofgorsi Bobtail Member

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    Jun 25, 2012
    0
    Where did you get the lights for the 579 from? If you don't mind me asking, been having a hard time trying to find a kit that was made for that truck.
     
    Ayavia777 Thanks this.
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  3. Ridgeline

    Ridgeline Road Train Member

    18,777
    87,064
    Dec 18, 2011
    Michigan
    0
    Go to the dealer with your serial number and ask for them to print up the wiring diagram to figure it out. This may be a power switch that foes through the body computer and has a place that it ends up at
     
    Slowmover1 Thanks this.
  4. Slowmover1

    Slowmover1 Road Train Member

    1,491
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    Oct 25, 2015
    Fort Worth
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  5. 6mmrem

    6mmrem Bobtail Member

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    Sep 16, 2018
    Neepawa,Mb. Canada
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    Similar question here so I won't start a new thread. I want to add a dual function pedestal light under the bunk. Clearance/signal. I have wires coming from bunk corner, that's switched in cab labeled spare. Question is where might I find a left/right signal feed? I know I could go off trailer plug, but really don't want to because if their is an issue down the road it will effect trailer lights. This is on a '18 567.
     

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  6. joey83854

    joey83854 Bobtail Member

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    Mar 1, 2009
    post falls id.
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    Look on the frame at the rear of the sleeper in the wire /air bundle. there might be a 3 wire plug that say something like snow plow lights or ??? I cant recall exactly but it is for l/r/taillight to tie into At least it was there on mine.Even comes withe the correct connector to tie into.Best i can tell you other than maybe splitting your cord and adding a junction box on the frame.
     
  7. 6mmrem

    6mmrem Bobtail Member

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    Sep 16, 2018
    Neepawa,Mb. Canada
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    I'll have a look. Thanks
     
  8. 6mmrem

    6mmrem Bobtail Member

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    Sep 16, 2018
    Neepawa,Mb. Canada
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    Found it. Thanks
     
  9. Ottoking

    Ottoking Bobtail Member

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    Jan 30, 2021
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    how do you connect to the three pin plug?
     
  10. Tntjarrell23

    Tntjarrell23 Bobtail Member

    1
    0
    Apr 29, 2022
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    Thank you all alot . You all really helped me out
     
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