MAINTENANCE OF M939 SERIES VEHICLES - OD1661 - LESSON 1/TASK 1
(2) Blackout Headlight.
Powered
from
the
light
switch
for
blackout operation.
(3) Front Composite
Lamps.
Combination
of
marker
lamps,
and
blackout marker lamps.
(4) Light Switch.
A multi-position switch that
controls
all
vehicle lighting. It is powered from the batteries.
(5)
Side Marker.
Powered from the light switch.
(6) Rear Composite Lamps. Combination tail lamps, stop lamp, and
blackout tail lamps. Power for each of these originate at the light
switch.
(7) Dimmer Switch.
A two-position
foot-operated
switch
that
positions high and low beams.
FIGURE 9.
LIGHTING SYSTEM COMPONENTS.
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