Change 8
TM 9-2320-279-10-1
2-150
M977 Through M985 General Operating Procedures (Cont)
2-10. OPERATE LIGHTS (CONT).
h. Turn Blackout Drive Lights On/Off.
CAUTION
Failure to place light switches in OFF position when vehicle is
not in use may cause battery and/or vehicle damage.
NOTE
S
For FHTV model vehicles, ensure that 24V battery
disconnect switch is ON before operating lights.
S
Use blackout drive lights for night driving under blackout
conditions.
(1)
Lift up and hold UNLOCK lever (1).
(2)
Set lighting control lever (2) to B.O. DRIVE.
(3)
Let go of UNLOCK lever (1). Blackout drive lights (3) blackout
markers (4) will light. Blackout stoplight (5) will light when brakes
are used.
(4)
Set lighting control lever (2) to OFF. Blackout drive lights (3) and
blackout makers (4) will go out.
i. Turn Blackout Markers On/Off.
CAUTION
Failure to place light switches in OFF position when
vehicle is not in use may cause battery and/or vehicle
damage.
NOTE
For FHTV model vehicles, ensure that 24V battery
disconnect switch is ON before operating lights.
(1)
Set lighting control lever (1) to B.O. MARKER. Blackout markers (2)
will light. Blackout stoplight (3) will light when brakes are used.
(2)
Set lighting control lever (1) to OFF. Blackout markers (2) will go out.
