TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311 -20-1 3-3 TROUBLESHOOTING CHART — CONTINUED C. STARTER MOTOR CIRCUIT (M109A2/M109A3) — ENGINE DOES NOT CRANK; ALL ELECTRICAL CONTINUED ACCESSORIES OPERATE — CONTINUED CONTINUED FROM STEP H 3. 4. 5. Reconnect connector to starter switch relay. Disconnect lead 14 from output side of neutral safety switch. Place red lead of multimeter in lead 14 and black lead to ground. Turn MASTER switch ON, push STARTER switch, and check for voltage. Turn MASTER switch OFF. Is voltage present? 2. 3. 4. 5. 6. Reconnect lead 14 to output side of neutral safety switch. Disconnect engine disconnect-to-bulkhead harness from driver’s bulkhead. Place a jumper wire from pin B to socket B (lead 4596). Place red lead of multimeter on pin T (lead 14) and black lead to ground. Turn MASTER switch ON, push STARTER switch and check for voltage. Turn MASTER switch OFF. I Is voltage present? Repair or replace lead 14 of engine disconnect bracket-to-bulkhead Repair or replace lead 14 of bulkhead-to-portable instrument panel wiring harness (para 8-49). 3-34