PREPARATION FOR USE - CONTINUED
CHECKING LIGHTS - CONTINUED
Turn on service lights in towing vehicle and check that clearance (1) and taillights (2) are lit.
Have an assistant apply service brakes while you check that both brake lights (2) are lit.
Check that both brake lights go off when brakes are released.
Operate left and right turn signals and check that turn signal lights (2) flash.
COUPLING TWO SEMITRAILER CHASSIS TOGETHER
The following procedures describe coupling two semitrailers using a military towing vehicle.
Do not perform steps 12, 13, 21, and 22 when using a commercial towing vehicle.