A. Every semitrailer, full trailer or house trailer eighty inches or more in overall width shall be equipped as follows:
(1) on the front: two amber clearance lamps, one at each side;
(2) on the rear: one red tail lamp; one red or amber stop lamp; two red clearance lamps, one at each side; two red reflectors, one at each side; and
(3) on each side: one amber side-marker lamp, located at or near the front; one red side-marker lamp, located at or near the rear; one amber reflector, located at or near the front; one red reflector, located at or near the rear.
B. Side-marker lamps may be in combination with clearance lamps and may use the same light source.