(1) While assistant turns ON ENGINE
switch and turns on lights, observe
taillight(s) (TM 9-2320-364-10).
(a) If taillight(s) does not operate, fault
has not been corrected. Perform
Steps (2) and (3) below, and
(b) If taillight(s) operates, fault has
(2) Turn off lights.
(3) Turn OFF ENGINE switch.