TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311-20-1 CONTINUED FROM STEP B 1. Reconnect lead 81 to master relay. 2. Disconnect lead 82 from master relay. 3. Place red lead of multimeter in master relay and black lead to ground. 4. Turn MASTER switch ON, and check for voltage. 5. Turn MASTER switch OFF. Is voltage present? Replace master relay (para 8-29). D 1. . 2. 3. 4. 5. Reconnect lead 82 to master relay. Disconnect engine bracket-to-drivets bulkhead lead assembly (lead 82, M109A4/ M109A5; lead 49, M109A2/M109A3) from driver’s bulkhead. Place red lead of multimeter on pin of lead 82 (lead 49, M109A2/M109A3) and black lead to ground. Turn MASTER switch ON, and check for voltage. Turn MASTER switch OFF. Is voltage present? Repair or replace engine bracket-to-drivets bulkhead lead assembly (para 8-81, M109A2/ M109A3; para 8-82, M109A4/M109A5). Repair or replace power lead wiring harness (para 8-54, M109A2; para 8-55, M109A2/M109A3; para 8-56, M109A4/M109A5). 3-19