TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 Change 2 3–89 h. CAB LIGHTING SYSTEM — CONTINUED (1) ONE OR MORE DOME LIGHTS ARE OUT, BUT SIGHTING EQUIPMENT LIGHTS OPER- ATE. INITIAL SETUP Test Equipment Multimeter (item 6, Appx H) Tools Artillery and turret mechanic’s tool kit (SC 5180–95–CL–A12) Equipment Condition Vehicle MASTER switch to ON (TM 9–2350–311–10) Dome light assembly switch to position A (TM 9–2350–311–10) Repair or replace wire 138 from connector to failed dome light assembly (para 8–3). yes no A yes no Move dome light assembly switch to positions B and C. Does only one light come on? Go to step C. B WIRE 138 DOME LIGHT ASSEMBLY + – 1. Turn MASTER switch to OFF. 2. Disconnect wire 138 at failed dome light assembly. 3. Turn MASTER switch to ON. 4. Place red multimeter lead in wire 138 and black lead to ground. 5. Check for voltage. Is battery voltage present? CONTINUED ON NEXT PAGE