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 D E 1. 2. 3. 4. 5. Reconnect portable instrument panel wiring harness to portable instrument panel disconnect. Disconnect lead 27 of bulkhead-to-portable instrument panel harness from circuit breaker output. Place red lead of multimeters in circuit breaker output and black lead to ground. Turn MASTER switch ON and check for voltage. Turn MASTER switch OFF. I Is voltage present? Repair or replace lead 27 from bulkhead-to-portable instrument panel wiring harness (para 849). F 3. 4. 5. Reconnect lead 27 to circuit breaker output. Disconnect lead 10 from circuit breaker” input. Place red lead of multimeters in lead 10 and black lead to ground. Turn MASTER switch ON and check for voltage. Turn MASTER switch OFF. Is voltage present? Replace circuit breaker (para 8-33, M109A2/M109A3; para 8-34, M109A4/M109A5). Troubleshoot master relay circuit (para 3-3b). 3-223