i drive for CAA/AAA and were told to cross the chains for the control if a car jumps ship also dont let the chains drag when truck-trailer are straght chains should be half an inch off the ground when turning sharp it will touch
when towing pick up the drive wheels iirc the pissot is front wheel drive so pick the front up
when backing up put your hand on the bottom of the wheel and turn it the way you what the trailer to go
i was driving a wrecker at the time i bought me 2nd PF i picked up the front put the t-case in N and the trny in N (stick shift) but it didnt wont to roll so i started it put the t-case in 2HI and rolled on no ill affecks
a coulpe years ago i went on trip got crap for milage like 400 klm per tank onthe way there, on the way back had more weight but i did have a canoe(20ft) on the roof got 800-900klm per tank it also gave me better get and go