Yes it is the rght trailer blinking fuse. Micro 15 amp. Under hood in fuse box. Already diagnosed. Yes it was in there for a multi thousand repair under recall. YES they quoted $150. Yes I often do things for my customers for "free". Children hands in concrete for example. Should I charge the 3yo kid for that effort ya think? Yes many things pop up and no I dont micro charge every detail but instead try to make customer happy and to feel good they hired a respectful considerate person.