LOCATION AND DESCRIPTION OF MAJOR COMPONENTS.
EMERGENCY air coupling (roadside) and SERVICE air coupling
(curbside) connect to tractor EMERGENCY and SERVICE air supply.
Provides a means to display fuel warning and fuel identification
number. Located also at roadside, rear, and curbside of
Contains 12-volt and 24-volt receptacles. Regulates and directs
Voltage Control Unit
power flow to semitrailer lights.
Protect EMERGENCY and SERVICE air couplings from dust and
Mark front of semitrailer.
Front Clearance and
Unpainted ball used to attach grounding cables. Located also at
rear, top, and sides of semitrailer.
Closes emergency valve from front of semitrailer.