TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
h. LIGHTS (continued).
(16) BLACKOUT (BO) STOP LED FAILS TO OPERATE.
All other lights operate (continued).
CONTINUED FROM A
B. 1. Install BO stop light LED and cover on right
taillight assembly.
2. Remove four screws, spacers, and tail-
light harness cover from rear wall of crew
compartment.
3. Disconnect wire 23 of harness 12330252
from taillight assembty harness.
4. Place red lead of multimeter on socket of
wire 23 of harness 12330252 and ground
black lead.
5. Have assistant turn MASTER switch ON
(refer to TM 9-2350-287-10).
6. Check for 24 ± 3 vdc.
7. Have assistant turn MASTER switch OFF
(refer to TM 9-2350-287-10).
Is voltage indicated at both locations?
Repairer replace taillight assembly (para 7-
34). Verify problem is solved.
NOTE
To complete this step you will need to
fabricate a multimeterextension using
at least 12 feet of wire and make sure
the end of the wire is able to be used
as a probe into a socket.
C. 1. Remove sixscrews and cover from driver’s
instrument panel.
2. Disconnect harness 12330252 from light-
ing switch.
Continued on next page
2-192
