Quote:
Originally Posted by NH_Bulldog
On my 2015 F150 I recall having to add a relay under the hood to get the charge function to work. On my 2022 F250 it just works with no alteration needed. I do know the truck has to be running, but I can’t say whether it needs to be in gear or not. What I can tell you is that after my last boondocking 2 night stay, the batteries were fully charged by the time we got to our next site after a day of driving.
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I suppose that would be a good way to test it. I have a trip planned in April. I can try slightly discharging them and see if it recovers, but I’m only driving an hour and a half, but should still show something. My experiment today was with the F150, so I’ll pay a little more attention when I tow with the F250. Thanks for that information.