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TM 9-2320-364-20-2
2-1373
(1) Loosen six screws and remove rear
composite light cover and
preformed packing. Discard
preformed packing.
(2) Open blackout lamp door on
blackout brake lamp.
(3) Push in blackout brake lamp
base screw and rotate
counterclockwise. Remove
blackout brake lamp from
composite light housing.
(4) Set multimeter select switch to
volts dc.
(5) Connect positive (+) multimeter lead
to socket power contact of blackout
stoplight lamp socket.
(6) Connect negative (–) multimeter
lead to a known good ground.
(7) Turn ON ENGINE switch
(TM 9-2320-364-10).
(8) While assistant applies brake pedal,
observe multimeter.
(a)
If 10 to 14 vdc are not present,
perform Steps (9) through (13)
below and go to Step 3 of this
Fault.
(b)
If 10 to 14 vdc are present,
perform Steps (9) and (10)
below and go to Step 4 of this
Fault.
(9) Release brake pedal.
(10) Turn OFF ENGINE switch.
(11) Install blackout brake lamp in
composite light housing.
Push in blackout brake lamp
base screw and rotate clockwise.
(12) Close cover on blackout
brake lamp.
(13) Install rear composite light cover,
preformed packing and six screws.
VOLTAGE TEST
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical
circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.
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