TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
h. LIGHTS (continued).
(17) PORTABLE INSTRUMENT PANEL LIGHTS FAIL
TO OPERATE. All other lights operate (continued).
CONTINUED FROM F
F.
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).
Is voltage indicated?
Replace lighting switch (para 7-9). Verify
problem is solved.
G.
1. Reconnect harness 12330252 to lighting
switch.
2. Disconnect wire 15 of harness 12330252
from wire 10L of harness 12376405 at no. 2
position of circuit breaker panel no. 2.
3. Place multimeter red lead
ground black lead.
4. Turn MASTER switch ON
2350-287-10).
5. Check for 24 ± 3 vdc.
in wire 10L and
(refer to TM 9-
6. Turn MASTER switch OFF (refer to TM 9-
2350-287-10).
Is voltage indicated?
Notify Direct Support maintenance.
Repair wire 10L or replace harness
12376405 (para 7-57). Verify problem
is solved.
END OF TASK
2-198