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  1. #1
    Established Member Two Rings
    Join Date
    Jan 02 2016
    AZ Member #
    366611
    Location
    Pittsburgh PA

    01 Allroad APB harness help

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    Hey everyone, need some quick help getting my harness connected back up on my 01 Allroad. Recently did a full motor swap and build and lost track of some tags when I went to put the harness back on the motor. Im having some issues along the back side of the motor where a few branches of the harness break off along the coolant header between the two banks of cylinders. There are two that go down to the manual trans for the speed sensor and the reverse light switch. I got those. In the same area there are two more that come off of the header, both two pin female connectors, one is a blue connector, one is a black connector. Where do these run??

  2. #2
    Veteran Member Three Rings
    Join Date
    May 22 2013
    AZ Member #
    115697
    My Garage
    2001 A4 Avant 1.8t GT2871r 630cc ev14
    Location
    Las Vegas, NV

    Might be the after run pump and your air pump thing.

    Sent from my SM-G930T using Tapatalk

  3. #3
    Established Member Two Rings
    Join Date
    Jan 02 2016
    AZ Member #
    366611
    Location
    Pittsburgh PA

    That's what I'm trying to check. I have two connectors that I can't find. Just want to make sure they're to stuff I deleted and that I didn't put connectors in the wrong place because I'm having issues with my front fans not coming on.

  4. #4
    Established Member Two Rings
    Join Date
    Jan 02 2016
    AZ Member #
    366611
    Location
    Pittsburgh PA

    I know both banks of cylinders are right and that the trans speed sensor and reverse sensors are right so I just need to double check the connectors on the back side of the engine. There are a few that use the same 2 pin connectors with the metal spring clips on them and I need to check those since I have two that aren't used.

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