That would make sense, and would match what I see now that I'm investigating chevrolet.ca
What are the chances that the wiring harness is buried in the current bumper, inaccessible until it is opened up for a hitch install? Why would the owners manual not provide details about the wiring harness in the trailer towing section?
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You all got my curiosity piqued and I had to go look. My RPO tag shows V92 so I believe mine is ready for towing minus the hitch and additional wiring harness adapter. While investigating I also found this harness not hooked up which is most likely for where the adapter harness would plug in. If you look under the trim piece over the rear bumper on the driver side you should find this same plug. The Pre production sample label is a surprise to see. Mine also has this label. I would of believed that they were prototypes for checking fit and function, and would of been destroyed once approved for production.
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