Today on our 2013 GMC Yukon XL we'll be test fitting the Thule Mother of all baskets roof top cargo carrier, part number TH690XT. To install this product sit the carrier on top of your cross bars. It is helpful to go ahead and premeasure the distance from each cross bar and go ahead and set the brackets on the cargo to that distance. Once you have the cargo carrier situated on top of your cross… see more >