TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
h. LIGHTS (continued).
(11) ONE OR BOTH BLACKOUT (BO) DRIVE LIGHTS
FAIL TO OPERATE. All other lights operate.
(continued).
CONTINUED FROM F
F. 4. Turn MASTER switch and lighting switch
OFF (refer to TM 9-2350-287-10).
Is voltage indicated?
Replace dimmer swtich (para 7-20). Verify
problem is solved.
G. 1. Remove six screws and cover from driver’s
instrument panel.
2. Disconnect harness 12330252 connector
from lighting switch.
3. Place one lead of multimeter in socket C
of harness 12330252 dimmer switch con-
nector and place other lead socket D of
harness 123330252 lighting switch connec-
tor and check for continuity.
Is continuity indicated?
Notify Direct Support maintenance.
H.
1. Reconnect harness 12330252 connector
to dimmer switch.
2. Place multimeter red lead in socket F of
harness 12330252 Iighting switch and ground
black lead.
3. Turn MASTER switch ON (refer to TM 9-
2350-287-10).
4. Check for 24 ± 3 vdc.
5. Turn MASTER switch OFF (refer to TM 9-
2350-287-10).
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