TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
Page 210 of 828
TM 9–2350–311–20–2 3–98 Change 2 3–3 TROUBLESHOOTING — CONTINUED h. CAB LIGHTING SYSTEM — CONTINUED (5) ALL CAB LIGHTS ARE OUT. — CONTINUED Repair or replace wire from circuit breaker output termi- nal B to pin F (para 8–12). 1. Reconnect wire 138/147 to quick-disconnect at gunner’s selector switch box assembly. 2. Open gunner’s selector switch box assembly. 3. Place one multimeter lead on output side of pin F of J2 connector and other lead on input side of pin F of J2 connector. 4. Check for continuity. Is continuity present? yes no C yes no D CONTINUED FROM STEP C Replace J2 connector (para 8–12). + GUNNER’S SELECTOR SWITCH BOX ASSEMBLY CIRCUIT BREAKER 1. Place one multimeter lead on output side of pin F of J2 connector and other lead to output terminal B of circuit breaker. 2. Check for continuity. Is continuity present? OUTPUT TERMINAL See troubleshooting chart para 3–3g. (1) . END OF TASK ALL INFORMATION ON PAGES 3–99 AND 3–100 HAS BEEN DELETED. J2 CONNECTOR INPUT PIN F J2 CONNECTOR OUTPUT PIN F + – J2 CONNECTOR PIN F –