Dark-Fx
Well-Known Member
The jump leads were probably designed to be able to activate the HV battery and both DC-DC units, but I'm guessing in some cases the HV battery is left disabled from the power loss and it doesn't work until service can reset codes.Honestly, with some of the weird 12V issues that have happened I'd imagine more than cost savings it just makes sense to unify the 12V subsystems rather than leaving half the truck operating on one battery and the other half on another. Some have said that the jump leads at the rear only work on one battery and not the other for starters. That said, I'd hope they increased the capacity of the single battery to match the twin setup.
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