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2006 GMC Sierra Truck Trailer Harness


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Trailer Wiring Connector

Cut up Wiring

Ground strap

Second Connector

Hello everyone. My 2006 GMC Sierra 1500 HD is in need of a new trailer towing harness. The previous owner hacked into it and my new puppy destroyed it at the connector (puppies love to chew!). I ordered the AC Delco harness that EVERY website listed #15072794, but it is not right. The one I got has the round connector to connect to to the trailer plug on the bumper, but the next plug is a round 7 blade as well and the one that plugs into my distribution block just in front of the bumper is rectangular. Also, mine has a ground eyelet that bolts above the spare tire and then runs along the gas tank. I have attached some pics of my harness. I know the 2006 model year saw many changes mid year, but I cannot find the correct harness. HELP PLEASE!

 

Scott

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