Ours is under the kitchen sink, below the floor panel, remove 2 screws but would hazard a guess that every model has a different location. You can turn it on for a second or 2 to locate the area, faster with a 2nd set of ears.
'08 Greyhawk 31SS Traded in
TV 2018 F150 FX4 SC 3.5EB TP/MT
x2 on underneath the kitchen sink. In my 2017 MRB you can get to it by either removing the panel at the front of the sink or remove the pieces of luan in the back of the cabinet right at the entry.
2019 Chevy express 2500 Van Coversion. 2017 Jayco 23MRB: 26' total and Glacier Package. Married 44 years. Aki the "mutt," 13 years old "Excited to learn new things everyday and humbled by those who offer to help."