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 H
Is voltage indicated?
Replace lighting switch of driver’s instrument
panel (para 7-9). Verify problem is solved.
I. 1. Reconnect harness 12330252 to lighting
switch.
2. Disconnect wire 15 of harness 12330252
from wire 10L of cable assembly 12376405
at no. 2 position of circuit breaker panel
no. 2.
3. Place multimeter red lead in wire 10L and
ground black lead.
4. Turn MASTER switch ON (refer to TM 9-
2350-287-10).
5. Check for 24 ± 3 vdc.
6. Turn MASTER switch OFF (refer to TM 9-
2350-287-1 0),
Is voltage indicated?
Notify Direct Support maintenance.
Repair wire 10L or replace cable assembly
12376405 (para 7-57).
END OF TASK
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