I found the 7 wire harness it's plugged into a dummy plug ( just to keep it secure ) it's located on the under carriage at the rear just to the left front of the spare tire. But you need a Chevy harness or cut & splice your own connector.
Etrailer.com has some excellent videos on installing trailer hitches and wiring for many makes and models, including a Traverse. I purchased mine from them. Service and instructional vehicles were excellent.
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I found the 7 wire harness it's plugged into a dummy plug ( just to keep it secure ) it's located on the under carriage at the rear just to the left front of the spare tire. But you need a Chevy harness or cut & splice your own connector.
Easily done plug & play .. Don't need GM part! ... https://youtu.be/gcvTJNY-bAU