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 q. TRANSMISSION OIL PRESSURE INDICATOR TRANSMISSION OIL PRESSURE INDICATOR NEEDLE CIRCUIT — CONTINUED FAILS TO MOVE OR IS UNSTEADY; ALL OTHER GAGES OPERATE PROPERLY — CONTINUED CONTINUED FROM STEP G H 1. Reconnect portable instrument panel wiring harness to portable instrument panel disconnect. 2. Disconnect battery ground leads. 3. Disconnect bulkhead-to-headlights/bilge pump wiring harness from driver's bulkhead. 4. Place a jumper wire from pin B to socket B (lead 400-459B). 5. Reconnect battery ground leads. 6. Turn MASTER switch ON and check TRANSlSSION OIL PRESSURE gage for a reading. 7. If TRANSMISSION OIL PRESSURE gage shows a maximum reading, place a jumper wire from socket L (lead 321) to ground. 8. Turn MASTER switch OFF. Does TRANSMISSION OIL TEMP gage show minimum when grounded and maximum when not grounded? 1 Repair or replace lead 324 of bulkhead-to-portable instrument panel wiring harness (para 8-49). CONTINUED ON NEXT PAGE 3-216