TM 5-2420-231-10
0009
LIGHT CONTROL SWITCH CONTINUED
Table 9. Light Control Switch Controls/Indicators.
KEY
CONTROL/INDICATOR
FUNCTION
1
BO DRIVE
Allows blackout drive light, blackout taillights, and blackout stop lights to
operate. All other lights, horn, and audible alarms are disabled.
2
BO MARKER
Allows blackout marker lights to operate. All other lights, horn, and audible
alarms are disabled.
3
Light selection lever
Used to select between service and blackout light functions.
4
OFF
All lights are off; horn and audible alarms operate.
5
STOP LIGHT
Allows service stop light only to operate. All other lights are disabled.
6
SER DRIVE
Allows service driving lights, turn signals, service stop lights, front and rear
work lights, service taillights, hazard flasher, and audible alarms to
function.
7
UNLOCK
Position which allows service lights to be selected by light selection lever.
8
Unlock control lever
When pulled upward and held, allows light selection lever to select service
STOP LIGHT, SER DRIVE, or BO DRIVE. Not needed for BO MARKER.
9
PARK
Allows only interior lights to operate.
10
OFF
All panel lights are disabled.
11
Panel control lever
Used to select panel lights function.
12
DIM
Panel lights are on but dim.
13
PANEL BRT
Panel lights are on and bright.
Table 10. Audible Alarms.
KEY
CONTROL/INDICATOR
FUNCTION
NOTE
Audible alarms are disabled when light control switch is set to B.O. DRIVE,
B.O. MARKER, ALL OFF.
Not
Audible alarms
Alarm will sound for following conditions:
shown
a.
Engine oil pressure is low.
b.
Engine coolant temperature is high.
c.
Parking brake is engaged and direction control lever is in
forward position or reverse position.
d.
Seat is turned away from driving position and direction control
lever is in forward position or reverse position.
e.
Direction control lever is in reverse position.
END OF WORK PACKAGE
