Here we go. We have a 2005 Bounder, gas, workhorse chassis. When not connected to shore power we do not have 12vdc in the coach. Just replaced the coach batteries, originals were two 12v deep cycle ba...
You should have a switch near the door that turns the 12 volts on and off. It controls a solenoid that often fails. Many people just bypass this switch if they fail they do not need to turn the 12 volts on and off as they leave or enter the coach.