Change 8
TM 9-2320-279-10-1
2-148
M977 Through M985 General Operating Procedures (Cont)
2-10. OPERATE LIGHTS (CONT).
CAUTION
Failure to place light switches in the 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.
e. Turn Stoplights On/Off.
NOTE
Use service stoplights for daytime driving.
(1)
Lift up and hold UNLOCK lever (1).
(2)
Set lighting control lever (2) to STOP LIGHT.
(3)
Let go of UNLOCK lever (1). Stoplights (3) will light when brakes are
used.
(4)
Set lighting control lever (2) to OFF. Stoplights will go out.
f. Turn On Clearance Lamps.
(1)
Lift up and hold UNLOCK lever (1).
(2)
Set lighting control lever (2) to STOP LIGHT or SER DRIVE position.
(3)
Let go of UNLOCK lever (1).