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Need a Peterbilt 98 379 wiring diagram

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Mad dog logistics llc, Apr 5, 2023.

  1. Apr 5, 2023 #1
    Mad dog logistics llc

    Mad dog logistics llc Light Load Member

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    No head lights No marker lights

    Stops and turn signals work

    Plus I have 3 of these (94-97-98) so I would be good to have a good diagram.
     
    Mad dog logistics llc, Apr 5, 2023
    Mad dog logistics llc, Apr 5, 2023
    #1
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  3. Apr 5, 2023 #2
    AModelCat

    AModelCat Road Train Member

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    Probably need the VIN to get the right one.
     
    AModelCat, Apr 5, 2023
    AModelCat, Apr 5, 2023
    #2
  4. Apr 5, 2023 #3
    Mad dog logistics llc

    Mad dog logistics llc Light Load Member

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    Jan 13, 2014
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    1XP5B69X2WN449008
     
    Mad dog logistics llc, Apr 5, 2023
    Mad dog logistics llc, Apr 5, 2023
    #3
  5. Apr 5, 2023 #4
    bjytech

    bjytech Light Load Member

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    This covers most everything as far as wiring goes for 379's from 7/1994-2000 379's.
    There are some other supplemental diagrams for certain optional things you could get on the trucks but this for sure covers all lighting.
     

    Attached Files:

    bjytech, Apr 5, 2023
    bjytech, Apr 5, 2023
    #4
  7. Apr 5, 2023 #5
    Mad dog logistics llc

    Mad dog logistics llc Light Load Member

    152
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    Jan 13, 2014
    0
     
    Mad dog logistics llc, Apr 5, 2023
    Mad dog logistics llc, Apr 5, 2023
    #5
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