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

(18) ACCESSORY CONTROL BOX PANEL LIGHTS FAIL TO OPERATE

TROUBLESHOOTING CHART (continued). - TM-9-2350-287-20-1_253

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). (18) ACCESSORY CONTROL BOX PANEL LIGHTS FAIL TO OPERATE. All other lights operate (continued). CONTINUED FROM A B. 1. Disconnect harness 12351544 from ac- cessory control box. 2. Place multimeter red lead in pin D of harness 12351544 and ground black lead. 3. Turn MASTER switch ON (refer to TM 9- 2350-287-10). 4. Check for 24 ± 3 vdc. 5. Turn MASTER switch OFF (refer to TM 9- 2350-287-10). Is voltage indicated? Repair or replace accessory control box (para 7-10). C. 1. Disconnect harness 12351544 lead 40 from “Y” connector. 2. Place one lead of multimeter in harness 12351544 lead 40 and place other lead on socket D of harness 12351544 accessory control box connector. 3. Check for continuity. Is continuity indicated? Repair wire 40 or replace wire harness 12351544 (para 7-64). Verify problem iS D. 1. Connect wire harness 12351544 to acces- sory control box. Continued on next page 2-200

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