2007 22RE

My "new to me" 2007 aqua Patio 22RE pontoon has some electrical switch panel issues that make no sense. The horn works when another switch is operated along with that switches designated item, like a light etc.. When the main switch on the breaker panel is turned on, the navigation lights come on and cannot be turned off…

Just got a 2007 22RE Aqua Patio and cannot identify what most of the switches on the drivers helm do. Most all of the identification labels are worn off. And, the switches do not work right. Example, the horn blows when another switch besides the "horn" switch is pressed. When I turn on the "master switch" on the breaker…