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    Default Random wire by engine bay fuse box

    hey guys, went to pull my drl fuse and noticed this random wire connection by the fuse box. Any suggestions/comments on what it may be for? Truck is a 2012 Sierra SLE All Terrain. (And no, I haven't installed any aftermarket wiring or had anything installed btw)
    Attached Thumbnails Attached Thumbnails IMAG1074.jpg  

    2012 Sierra - 5.3 Z71 - Afe cai, Rhino bedliner, 20% tint all around and 10% brow, 6k hid lows and fogs, Magnaflow catback, tinted tails and front sidemarkers.

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