Ac System Wiring Diagram. Keep a copy at all time in your van so you or someone else can refer to it if anything happen. Next i decided to check all the power wires to the ecm and also the grounds from a wiring diagram because the mil is controlled by the ecmaccess cummins engine controllers without a wiring harness.
It shows how a electrical wires are interconnected and will also show where fixtures and components could possibly be. The sockets that are used on a day to day basis are generally 220v and the rv only generates 12v. This is the new method to make a 2 way switch connection and it is slightly different from the two wire control methodthis method is commonly used nowadays as it is efficient than the two wire control system.
I am not sure why you said 2pcs of 120ah12v battries in series.
This page presents a method to extract data from an ecm without the use of bench calibration harness. A wiring diagram is an easy visual representation with the physical connections and physical layout of an electrical system or circuit. Next i decided to check all the power wires to the ecm and also the grounds from a wiring diagram because the mil is controlled by the ecmaccess cummins engine controllers without a wiring harness. Any sub system can be deleted monitor inverter solar alternator shore or added later.