TM 9-2320-366-20-1
Change 1
2-637
(1)
Position main light switch to BO MARKER
(TM 9-2320-366-10-1).
(2)
Observe operation of rear blackout marker
lights.
(3)
If neither rear blackout marker light
illuminates, go to step 5 of this fault.
(4)
Position main light switch to OFF
(TM 9-2320-366-10-1).