TM 9--2350--292--20--1
0120 00--1
BLACKOUT MARKER LIGHT FAILS TO OPERATE.
0120 00
THIS WORK PACKAGE COVERS:
Blackout Stoplights Fail To Operate
INITIAL SETUP:
Tools and Special Tools
General mechanics tool kit (item 1, WP 0717 00)
Multimeter (item 84, WP 0717 00)
Equipment Conditions
Vehicle MASTER switch OFF (TM 9--2350--292--10)
Personnel Required
Two
1. Turn MASTER switch ON
(TM 9--2350--292--10).
2. Set main light switch to BO MARKER
(TM 9--2350--292--10).
3. Observe blackout marker lights.
4. Turn MASTER switch OFF
(TM 9--2350--292--10).
no
yes
If one or both blackout
markers on headlamps
fail to light, go to Step F.
If one or both tail lamps
fail to light, go to Step J.
no
yes
Repair (WP 0290 00) or
replace (WP 0314 00)
harness 4W100. Verify
fault is corrected.
A
B
1. Remove switch panel from bracket
(WP 0242 00) and reconnect ground strap to
switch panel.
2. Disconnect harness 4W105 P1 from switch
panel.
3. Turn MASTER switch ON
(TM 9--2350--292--10).
4. Place multimeter red lead in harness 4W105 P1
socket N and black led to ground. Check for
voltage.
5. Turn MASTER switch OFF
(TM 9--2350--292--10).
Is 24 V dc present?
Do any blackout marker lights light?
CONTINUED ON NEXT PAGE
WARNING
Remove rings, bracelets, wristwatches,
and neck chains before working on any
vehicle. Jewelry can catch on equip-
ment and cause injury, or may short
across an electrical circuit and cause
severe burns or electrical shock.