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.
Initial Setup:
Tools/Test Equipment:
Equipment Conditions:
l Digital multimeter (Item 13, Appendix I)
l MASTER switch set to OFF (refer to TM
l General mehanics tool kit (Item 24,
9-2350-287-10).
Appendix I)
l Lighting switch set to BO DRIVE position
and brake pedal locked.
Materials/Parts:
Wire (12 foot) (Item 77, Appendix D)
NOTE
Instead of using multi meter
for voltage
check, STE/lCE
troubleshooting,
INDIVIDUAL
BATTERY VOLTAGE TEST-TEST
89 maybe performed.
Instead of using multi meter
for continuity check, STE/lCE
troubleshooting, TEST 91 may
be performed.
A. 1. Loosen six screws, and remove cover
from right taillight assembly.
2. Remove BO stoplight LED from bottom
socket of taillight assembly.
3. Place multimeter red lead in LED socket
and ground black lead.
4. Have assistant turn MASTER switch ON
(refer to TM 9-2350-287-10).
5. Check socket for 24 ± 3 vdc.
6. Turn MASTER switch off (refer to TM 9-
2350-287-10).
Is voltage indicated?
Replace blackout stoplight LED (para 7-
34). Verify problem is solved.
Continued on next page
2-191