I took the advice of @MuttonChops and confirmed which 12VDC Fuses control what. Below is what I discovered: Fuse 1 (7.5 amp): lights(rear reading, kitchen, porch, ceiling), ALDE Fuse 2 (15 amp): TV, radio, USB in radio Fuse 3 ( 15 amp): rear USB Fuse 4 ( 20 amp): fridge Fuse 5 ( 7.5 amp) water pump, ceiling fan, CO2…