Battery cut off not operating

The fridge is under warranty i have an appointment with camping world on the 20th in the box outside of the fridge i am getting 13.5 volts dc to the circuit board 120 ac from the plug i want to void the warranty but its a pain getting to camping world 50 miles away the only thing that that has changed is the battery cut off switch not engaging in pulling the switch i notice that it has a circuit board to it also but it looks intact smiple would be so much better but these american eagle are not if the coach button and chassis button were not working i shouldn't have lights nor should the engine start but they do two separate problem? But both going at the same time odds are not