Jump box for dual battery 7.3 diesel
I started thinking about items I might need as a new RV’r, jump boxes came to mind. I’ve looked at a few video’s online of large diesels requiring higher amperage jump boxes when their batteries are ...
Forum Discussion
mkirsch wrote:
It's a RARE occurrence that the starting batteries on the truck are truly flat dead. No booster pack is designed for that. No jumper cables are designed for that..
My #2 jump cables do that just fine, but did not try it on big diesel.
Than as I mention- 2 of mid-size booster packs started big diesel with completely flat batteries.
But you should avoid such procedure on modern vehicles as low voltage operation can not only fry some expensive modules, but flat batteries can burn alternator at the end.
