TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
Page 195 of 828
TM 9–2350–311–20–2 3–83 1. Turn MASTER switch to OFF. 2. Reconnect wire 100 to quick-disconnect at gunner’s selector switch box assembly. 3. Disconnect J2 harness connector of gunner’s selector switch box assembly. 4. Turn MASTER switch to ON. 5. Place red multimeter lead at socket P of J2 harness connector and black lead to ground. 6. Check for voltage. Is battery voltage present? Replace wire 100 from gunner’s selector switch box assembly to quick-dis- connect (para 8–7). Replace wire 100 from con- tact arm assembly to quick- disconnect (para 8–4). 1. Turn MASTER switch to OFF. 2. Disconnect wire 100 from quick-disconnect at gunner’s selector switch box assembly. 3. Turn MASTER switch to ON. 4. Place red multimeter lead in wire 100 quick-disconnect leading to contact arm assembly and black lead to ground. 5. Check for voltage. Is battery voltage present? E CONTINUED FROM STEP B yes no F yes no CONTINUED ON NEXT PAGE – + – + J2 CONNECTOR HARNESS SOCKET P WIRE 100 GUNNER’S SELECTOR SWITCH BOX ASSEMBLY