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  1. #1
    Active Member Two Rings
    Join Date
    Feb 12 2015
    AZ Member #
    314863
    Location
    Ohio

    1.8T MAF wiring diagram?

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    The wires at my MAF connector were frayed on my 1.8t. I've been looking all over but can't find a diagram for the colors/pins on the harness. I went and got another pigtail from a passat which is the same connector, but the wire colors are different.
    My A4 has
    1. Brown(or orange) wire.
    2. Green wire.
    3. White/Green wire.
    4. Green/Yellow wire.

    Can anyone find the correct pin numbers for these wires?

  2. #2
    Veteran Member Four Rings diagnosticator's Avatar
    Join Date
    Aug 26 2005
    AZ Member #
    7741
    Location
    Seattle, WA

    On MAF sensor connector;

    Terminal #/wire color,

    2 Green/Yellow

    3 Yellow

    4 White/Green

    5 Green
    Vorsprung durch Technik

  3. #3
    Active Member Two Rings
    Join Date
    Feb 12 2015
    AZ Member #
    314863
    Location
    Ohio

    Quote Originally Posted by diagnosticator View Post
    On MAF sensor connector;

    Terminal #/wire color,

    2 Green/Yellow

    3 Yellow

    4 White/Green

    5 Green
    Would this mean that the thicker, solid yellow wire is the ground?


    EDIT: Nevermind. I got it wired and running great. Thank you very much!
    Last edited by qccoles; 01-26-2016 at 08:28 PM.

  4. #4
    Registered Member One Ring
    Join Date
    Jan 25 2020
    AZ Member #
    535698
    Location
    Red bluff California

    How did u wire this? My wires include a brown wire and no one else has a brown wire in their diagrm. I ended up cutting my wires to replace pigtails and connector but i forgot what goes were. Can anyone help me please

    Quote Originally Posted by qccoles View Post
    The wires at my MAF connector were frayed on my 1.8t. I've been looking all over but can't find a diagram for the colors/pins on the harness. I went and got another pigtail from a passat which is the same connector, but the wire colors are different.
    My A4 has
    1. Brown(or orange) wire.
    2. Green wire.
    3. White/Green wire.
    4. Green/Yellow wire.

    Can anyone find the correct pin numbers for these wires?

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