Thanks for the replies - makes sense now why when I played with it it didn't appear to do anything. Any idea which is which (up for right side,...
Just picked up a 2008 386 with a cummins ISX. Noticed this fuel toggle on the dash and can't figure out what it is. The guys at the dealership...
What do you carry on-board for tools/supplies/etc...? Anything more than a basic tool kit? What would you never leave home without?