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  1. #1
    Veteran Member Four Rings shiro1745's Avatar
    Join Date
    Jul 26 2009
    AZ Member #
    45522
    Location
    DMV Area

    HELP finding what the fuses in the ECU box are for! One's keep blowing when crank

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    I could really use some help finding what the fuses under the hood are for, they're located in the ECU box next to the driver side firewall. A few months ago my car died while driving and found it was a fuse in there, one of the blue ones. I replaced it then and everything was fine until couple months ago when the yellow one blew right after couple minutes of driving.
    Today, after I finished the timing belt job, took the car for a drive and after 2-3 minute again, dead in traffic, yellow fuse again. I had some tools in the car, replaced it and took off, after 10 sec. car died again, replaced the fuse again and this time it died while cranking.

    Does anybody have a diagram or know what those fuses are for? It drives me nuts, I've looked online and everything that comes up when I search "fuse box" is the on inside he car. I desperately need your help.

    Thanks!




    - Chip

    K0R-GT -- S3 injectors -- Maestro tune -- IE Drop-in rods

    "It took 4 bad crankshaft seals and lots of cursing to build my avatar"

  2. #2
    Veteran Member Four Rings bman005's Avatar
    Join Date
    Sep 06 2011
    AZ Member #
    80891
    My Garage
    2015 Silverado, 2012 A4 Avant. Former; 90 Corrado, 97 Golf, 05.5 A4, 2010 Tiguan
    Location
    Harrisburg, Pa

    give me 5 minutes


    EDIT: found it. Yellow is Safety fuse for your coils. It also connects to the power supply relay


    t in electronics box, plenum chamber
    Fuse colors
    15 A - blue
    20 A - yellow
    Fuses:
    Item - Socket color Designation Fuse rating
    S282-Engine Electronics Fuse 15 A
    S345-Engine Electronics Fuse 3 15 A
    S102-Engine Control Module (ECM) Fuse 15 A
    S131-Safety Fuse 1 20 A
    S344-Engine Electronics Fuse 2 15 A
    S286-Automatic Transmission After-Run Fuse 15 A
    Last edited by bman005; 04-19-2012 at 02:55 PM.
    New Build, 2010 Tiguan. Details to com

  3. #3
    Veteran Member Four Rings shiro1745's Avatar
    Join Date
    Jul 26 2009
    AZ Member #
    45522
    Location
    DMV Area

    Thanks a lot, i really apreciate your fast response. Time to find what's causing it to blow.
    Last edited by shiro1745; 04-19-2012 at 04:28 PM.

  4. #4
    Veteran Member Four Rings shiro1745's Avatar
    Join Date
    Jul 26 2009
    AZ Member #
    45522
    Location
    DMV Area

    Found what was causing the problem, the ignition coil cables were rubbing against the firewall causing a short, updated my other thread.

    http://www.audizine.com/forum/showth...4243-and-00526
    - Chip

    K0R-GT -- S3 injectors -- Maestro tune -- IE Drop-in rods

    "It took 4 bad crankshaft seals and lots of cursing to build my avatar"

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