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

(1) POWER ON LAMP DOES NOT LIGHT WHEN MASTER SWITCH IS TURNED ON.

TROUBLESHOOTING CHART (continued) - TM-9-2350-287-20-1_401

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). w. AFES, CREW (continued). (1) POWER ON LAMP DOES NOT LIGHT WHEN MASTER SWITCH IS TURNED ON. All other electrical systems operate (continued). B. 2. Disconnect wire harness 12352316 from bracket-mounted socket 12351461 in driver’s compartment. 3. Place red lead of multimeter in pin socket A of bracket-mounted socket 12351461 and ground black lead of multimeter. 4. Check for 24 ± 3 vdc. 5. Place red lead of multimeter in pin socket B of bracket-mounted socket 12351461 and ground black lead of multimeter. 6. Check for 24 ± 3 vdc. Replace wire harness 12352316 (para 7-77). Verify problem is solved. C. WARNING Circuit 10A, if functioning properly, is a live circuit carrying a constant 24 volts. Exercise proper pre- cautions when working with this circuit. Failure to comply will result in injury to personnel or equipment damage. 1. Reconnect wire harness 12352316 to bracket- mounted socket 12351461. NOTE Circuit breaker panel no. 2 is located directly behind engine AFES T/A panel. Continued on next page 2-348

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