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2010 2500HD wire harness

Discussion in 'Chevy Trucks' started by mypolaris1, Nov 11, 2010.

  1. mypolaris1

    mypolaris1 Member
    Messages: 59

    Gots me a new 2010 2500HD. Got the pow mounted (BOSS 8.2 V) and ran a spreader harness tonight just in case. I noticed a wire harness all bundled up between the box and back of the cab by the frame rail, on the drivers side. Any ideas? It's got the trailering provion, but I was told that's already wired up and ready to go. Power for the roof beacon (snow plow prep) is in the roof.:help::confused:
  2. Q101ATFD

    Q101ATFD Senior Member
    Messages: 277

    It's the 5th wheel trailering provision (7-pin connector, just like what's on your bumper).