Running a 3 way frig on the 12 volt setting does not work very well. I run mine on 110 volt electric from the the inverter I have in my camper. I have installed a heavy charge line from my truck to the camper batteries to supply the 30 amps dc required. The system works very well.
2007 Dodge 3500 Dually 4x4
Cummins 5.9, 6sp, PAC
brake, Big Wig, Timbrens
2000 Lance 1130
2004 Jeep Rubicon
