3406E looking for the ECM wiring harnes schematic, engine side

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Mad dog logistics llc, Feb 7, 2023.

  1. Mad dog logistics llc

    Mad dog logistics llc Light Load Member

    Jan 13, 2014
    I think this is 40 pin looking for a wiring diagram so I can check ground and wiring harness to injectors. Use to have one but cant locate it.
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  3. zinita17601

    zinita17601 Road Train Member

    Aug 19, 2010
    lancaster pa
    My 3406e is a 70 pin but its a 99.
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