TROUBLESHOOTING CHART (continued). - TM-9-2350-287-20-1

(15) ONE OR BOTH REAR BUCKOUT (BO) MARKER LEDs FAIL TO OPERATE.

TROUBLESHOOTING CHART (continued). - TM-9-2350-287-20-1_242

TM-9-2350-287-20-1 Carrier Ammunition Tracked M992A21 (2350-01-352-3021) EIC:AE6 Manual
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2-19. TROUBLESHOOTING CHART (continued). h. LIGHTS (continued). (15) ONE OR BOTH REAR BLACKOUT (BO) MARKER LEDs FAIL TO OPERATE. All other lights operate (continued). CONTINUED FROM A B. 1. Install LED and cover on taillight assem- bly, and tighten six screws. 2. If left taillight assembly is the problem, remove eight screws, Iockwashers, and bracket from left side canister compartment shelves. 3. Remove screws, spacers and taillight har- ness cover from rear wall of crew compart- ment. 4. Disconnect wire 24 of harness 12330252 from taillight assembly harness. 5. Place red lead of multimeter on socket of wire 24 of harness 12330252 and ground black lead. 6. Have assistant turn MASTER switch ON (refer to TM 9-2350-287-1 0). 7. Check for 24 ± 3 vdc. 8. Have assistant turn MASTER switch OFF (refer to TM 9-2350-287-1 0). Is voltage indicated? Repair or replace taillight assembly (para 7- 33 or 7-34). Verify problem is solved. Continued on next page 2-189 TM 9-2350-287-20-1

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