The photo below shows a wire that is only rated for 15 amps connected to a 30 amp fuse. Oftentimes, several wires will be connected to a single fuse lug, but each fuse is supposed to have one wire.

This could be due to an improperly located 20-amp fuse exposed to excess heat. Vehicles affected by service bulletin: See More Service Bulletins Corrective action: Dealers will relocate the F27 20 ...