TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 325 of 1275
TM 9-2350-311-20-1 CONTINUED FROM STEP G I H 1. Reconnect portable instrument panel wiring harness from portable instrument panel disconnect. 2. Disconnect battery ground leads. 3. Disconnect engine disconnect-to-bulkhead wiring harness from driver’s bulkhead. 4. Place a jumper wire from pin B to socket B (lead 459B). 5. Reconnect battery ground leads. 6. Turn MASTER switch ON and check ENGINE OIL PRESSURE gage for a reading. 7. if ENGINE OIL PRESSURE gage shows a maximum reading, place a jumper wire from pin J (lead 36) to ground. 8. Check gage for reading. 9. Turn MASTER switch OFF. Does ENGINE OIL PRESSURE gage show minimum when grounded and maximum when not grounded? I Repair or replace lead 36 from bulkhead-to-portable instrument panel wiring harness (para 8-49). CONTINUED ON NEXT PAGE 3-225