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

(14) STOPLIGHT FAILS TO OPERATE

TROUBLESHOOTING CHART (continued) - TM-9-2350-287-20-1_238

TM-9-2350-287-20-1 Carrier Ammunition Tracked M992A21 (2350-01-352-3021) EIC:AE6 Manual
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TM 9-2350-287-20-1 2-19. TROUBLESHOOTING CHART (continued). h. LIGHTS (continued). (14) STOPLIGHT FAILS TO OPERATE. All other lights to operate (continued). CONTINUED FROM B B. 2. Remove eight screws, Iockwashers, and brace from left side of crew compartment. 3. Remove screws, spacers, and wiring har- ness cover from rear of crew compartment. 4. Disconnect wire 22 of harness 12330252 from taillight assembly harness. 5. Place red lead of multimeter on socket of wire 22 of harness 12330252 and ground black lead. 6. Have assistant turn MASTER switch ON (refer to TM 9-22350-287-10). 7. Check for 24 ± 3 vdc. 8. Have assistant turn MASTER switch OFF (refer to TM 9-2350-287-10). Is voltage indicated? Repair or replace Ieft taillight assembly (para 7-33). Verify problem is solved. C. 1. Loosen six screws, Iockwashers, and cover from driver’s instrument panel. 2. Disconnect harness 12330252 from lighting switch. NOTE To complete this step you will need to fabricate a muttimeter extension 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. 3. Have assistant place one lead of multimeter to socket C of harness 12330252 light switch connector and place other lead on socket of wire 22 of harness 12330252 connector at rear of crew compartment. 4. Check for continuity. Is continuity indicated? Continued on next page 2-185

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