Glad hands are used for connecting the:
A. Electric line from the tractor to the trailer.
B. Kingpin from the tractor to the locking jaws in the glide plate.
C. Service and emergency air lines from the tractor to the trailer.
Answer: C. Service and emergency air lines from the tractor to the trailer.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.