TM 5-3805-263-14&P-1
Light
Switches
s
1.
Main Switch-Five positions.
B.O. MARKER. Blackout tail lamps lit. Stop lamp will
light when brakes are applied. Mechanical lock lever
must be held in UNLOCK to move main switch lever to
this position.
B.O. DRIVE. Blackout tail lamps and blackout driving
lamps lit, and blackout stop lamp will light when brakes
are applied. Mechanical lock lever must be held in
UNLOCK to move main switch lever to this position.
OFF. All lamps turn off. Auxiliary switch will not work.
Stop lamps will not light when brake is applied.
Floodlights will not light. Horn and backup alarm will not
sound.
STOPLIGHT. Service stoplamps light when brake is
applied. Mechanical lock held in UNLOCK position to
move main switch to this position.
SER. DRIVE. Tail lamps lit, stop lamps light when brake
is applied. Flood (working) lights may be turned on at
operator’s console. Hold mechanical lock in UNLOCK
position to move main switch to this position.
2.
Auxiliary Switch--Four positions.
NOTE
Auxiliary switch will not operate if main
switch is in OFF position.
PANEL BRT. Panel lamps brightly lit.
DIM. Panel lamps dimly lit.
OFF. Service tail lamps lit (main switch in SER DRIVE)
and panel lamps dimly lit. Blackout tail lamps lit (main
switch in B.O. DRIVE or B.O. MARKER).
PARK. Service tail lamps lit (main switch in SER.
DRIVE position) and gage lights dimly lit. Blackout tail
lamps lit (Main switch in B.O. DRIVE or B.O. MARKER
position).
3.
Mechanical Lock
LOCK. Locks out all main switch positions except B.O.
MARKER.
UNLOCKED. Main switch may be placed in B.O.
DRIVE, STOP LIGHT, or SER. DRIVE.
To operate, hold lever in UNLOCK and move main
switch to desired position.
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