If only one side and/or rear marker light does
not illuminate, go to step 13 of this fault.
(1) Position main light switch to SER DRIVE
(TM 9-2320-365-10).
(2) Note side and/or rear marker light(s) that
do not illuminate.
(3) If all side and/or rear marker lights do not
illuminate, go to step 12 of this fault.
(4) Position main light switch to OFF
(TM 9-2320-365-10).
Change 1 2-577
TM 9-2320-365-20-1
