I have searched all the Forums (Outlook, Acadia, Enclave) trying to find more info on replacing the UBEC so the trailer wiring harnes will work. I have a 2008 Outlook XR and most of the info I have come across is referring to a 2007 model. Has anyone been successful with either having the dealer replace it or done it themselves? My dealer would consider replacing it but they are uncertain of the right part #. The part #'s that are listed on the TSB for the 2007 doesn't match the part # in my Outlook. If I could get a part # I would do it myself. Help with suggestions or part #. Thanks