Can't help you specifically but to tell you that there may be multiple fuse boxes, one under the hood and one or more inside the truck. Also, if the fuse is blown there may be a reason for it so be ready for it to blow again when you replace it.
Travel Trailer: 2004 Flagstaff 25LB
New Tow Vehicle: 2017 F-150 3.5 Ecoboost, supercrew short bed FX4 Lariat
Old Tow Vehicle: 2009 Silverado 2500HD 4x4 Ext. Cab Short Bed
Travel Pooch:Sophie the Sato - Cats: Rhody and Hazy
2018:22nights / 2019:31Nights / 2020:15Nights