4-24. FRONT CLEARANCE AND MARKER LIGHT MAINTENANCE (Con't).
(14) Thread brown wire (11) through
connector (18) into voltage con-
trol unit (14). Connect tubing
(12) at connector and tighten nut
(15) Inside voltage control unit (14),
connect three terminals (16) to
top roadside circuit breaker (17)
with two nuts.
(16) Close voltage control unit cover
(15) and tighten two screws (20).
(17) Apply a thin coat of corrosion pre-
ventive compound to sealing lip
of lens (10). Install lens.
When performing electrical maintenance, ALWAYS disconnect inter-
vehicular electrical cable from semitrailer. Failure to follow this warning
may create a spark and explosion, resulting in serious injury or death to
Loosen two screws (20) and open voltage control unit cover (15). Prop cover open with cable
from a dummy coupling. Remove two nuts and three terminals (16) from top roadside circuit
Use caution not to damage brown wire (11) and terminal (16).
Loosen nut (19) at connector (18) and disconnect tubing (12) from voltage control unit (14).
Remove brown wire (11) and tubing from voltage control unit.