I have 2 fuses.
1 fuse is in the 12 volt fuse panel, which for me is located in the bedroom.
The second fuse in located near the water pump, it's an inline fuse.
My system has 3 locations that can turn on the water pumps so it used a controller that could also go bad.
2002 Monaco Windsor 38 PKD
2005 Jeep Grand Cherokee w/5.7 Hemi