Welcome kellyrm to the Newmar forum and irv2.
This link will give you an idea what it looks like only a older version. Unit maybe painted black for your year coach.
If you have only the living room slide you could find it under the kitchen cabinets its the black box in picture
or linen closet and maybe in a hutch cabinet near slide.
The fuse would be on your 12v fuse panel along with fridge, water heater, furnace.