I turned the red key to off in the water n dump station. I turn the switch on the firewall from green to red.
I hate electrical problems but I'd like to tune off the 12 volt power to the
My guess is disconnect the red wire to the battery?
There has to be a switch.
I'm not sure what your intention is as to turning off disconnects here, but if your want is to eliminate all power draws from the battery(s) whether direct or parasitic ... just place a battery disconnect on your battery(s) ground wire. This way, there will be absolutely no power draw from your battery(s).
Menards or any auto parts store carries them.