Check your fuse panel.
On my 2003, had a short, blew the fuse. Trailor lights in/op, truck lights fine. Replaced the fuse, good to go. (After locating some rubbed wire exposing copper)
On my 2003, had a short, blew the fuse. Trailor lights in/op, truck lights fine. Replaced the fuse, good to go. (After locating some rubbed wire exposing copper)