If your 2015 Chevy Traverse has a rear air conditioning unit then it blocks that access to the tail light wiring on the passenger side. So to use it you would have to modify the wiring harness # C56181 essentially making it into a hardwire application which will void the harness warranty. You would have to access the tail light wiring to the passenger's side elsewhere on the vehicle.
I checked the owners manual for the 2015 Traverse and the procedure for changing a tail light bulb shows... view full answer...
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