(1) While assistant turns ON ENGINE
switch and turns on LIGHT switch,
observe all marker lights and
taillights, (TM 9-2320-364-10).
(a) If all marker lights and taillights
do not operate, fault not
corrected. Perform Steps (2)
and (3) below and notify
(b) If all marker lights and taillights
operate, fault has been
(2) Turn off LIGHT switch.
(3) Turn OFF ENGINE switch.