I'm putting my 2017 F350 in the shop tomorrow but wanted to get some feedback from the group. I have a 2019 3931FB. When I plug into the 7 way in the truck it doesn't seem to charge the battery. Sometimes the truck tells me the trailer is connected and other times it doesn't.
When I get to my destination there's not enough battery juice to run the jacks and slides. I tried running an extension from the truck inverter to the shoreline and it wouldn't run the slides. I checked the out put of both the 7 way and the inverter. The 7 way does have 12VDC to pin 4. However, the inverter is only producing 93VAC. On the battery side, I'm confused why the coach won't charge the battery is there is power. Since I know the inverter is not producing full power, it goes to the shop.
Any ideas on why the coach won't charge?
Thanks
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