I'm not sure exactly what you are asking, but I see you have a 2006, 40' RV. That said we may have the same power grid or it will vary only by just a little bit... when it comes to the solenoid wiring.
Below are pictures of my 2004 Power Grid and I'm posting them with the hope that these pictures will help you to better understand how power is routed and switched in your RV.
DIMENSIONS 2000W INVERTER + 100ACHARGER
* This is a very good inverter and when it fails it is usually on the battery charger side.
* The Dimensions uses a NEGATIVE thermal sensor you do NOT want to connect to the positive side of your battery. If you do you may burnout some of the charging functions inside. If this happens you would hear a loud "pop" and you would smell some fowl odors for a few hours, but after that you may not notice your Dimensions Inverter-Charger will be shoring out inside... and over time you will notice more and my Amp-Hours (AH) being drained away. I think, if I remember, the fix is to replace the 2 Thermistor on the charger side... and you need to inspect the battery connector. (See last picture below.)
* Your battery cables provide 12V to the inverter when you need to convert and inverter 12VDC power to 120VAC. (When in inverter mode.)
* These same battery cables also allow 0-100A of charging current from the CHARGER to the house battery bank, but typically it will charge in the 20-40A range when you batteries need charging.
Note: If your batteries are shot, they will show a full charge but will not last but 30 seconds when you run your mircowave. So I call that a microwave test; and if you battery volts drop to less than 12V and do NOT recover, then chances are you need new house batteries.
* Your inverter receives L1 power from the main circuit panel; and here is an automatic transfer switch in side the Dimensions Inverter-Charger. I.e., anytime the inverter "detects" AC power on L1 then the charger is "off." And when there is L1 power to the inverter, then it goes into "inverter-on-mode" if your control panel inside the RV calls for the inverter to be "on".
* Your house batteries should get charged when you drive. The alternator is connected to the engine battery, but those solenoids (located above your inverter, behind a black metal panel) allow some current to flow to your house battery.
* Some 2004-2006 Winnebago's did come with alternator charging from the factory. Mine was one of these. So, I added a Keyline VSR and now my alternator does charge my house batteries when I drive.
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