The ODS battery set had load that will continuously draining the batteries. I installed the switch on the the right of the picture in series with the factory installed kill switch and the Leveling control/Hydraulics.
The duct revision was required to increase air flow to upper level. The factory warranty install was an improvement as two duct crossed and were crushed when the Black Tank filled and sagged in the middle. My modification was to allow more more air flow at bends in the duct run. The first 2 bends are now metal and the final bend is still the factory flexible duct as through an area about 4 inches wide. I did stretch the Flex duct to prevent collapse. The flex duct had been nearly 30 inches longer than needed.
I also moved the Vacuum forward 2 inches to give a full 6 1/2 inch path for the metal duct
Clay 2016 MS 38PS3/Dallas
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