Going over things getting ready for trips and noticed my fuses. All are marked except hte last one (30amp) its marked HHT or HHI. Any idea what this is for. I know when someone tells me i'm going to feel like an idiot but i'm brain dead. BTW 2013 mini lite 2104 S.
2012 F250 6.2 gasser 373 rear
2013 Rockwood 2104S Mini Lite