TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 291 of 1275
TM 9-2350-311 -20-1 CONTINUED FROM STEP A B 1. Reconnect lead 352A to COOLANT indicator light. 2. Disconnect battery ground leads. 3. Disconnect portable instrument panel wiring harness from portable instrument panel bracket. 4. Place jumper wires from pin A to socket A (lead 27), from socket P (lead 4596) to socket C (459), and from pin G (lead 352A) to ground. 5. Reconnect battery ground leads. 6. Turn MASTER switch ON and press COOLANT indicator light. 7. Turn MASTER switch OFF. Does COOLANT indicator light operate? Repair or replace lead 352A of portable instrument panel wiring harness (para 8-57). 1. Reconnect portable instrument panel wiring harness to portable instrument panel disconnect. 2. Disconnect battery ground leads. 3. Disconnect bulkhead-to-portable instrument panel wiring harness from driver’s bulkhead. 4. Place jumper wires from pin B to socket B (lead 400-459B) and from pin M (lead 352A) to ground. 5. Reconnect battery ground leads. 6. Turn MASTER switch ON and press COOLANT indicator light. 7. Turn MASTER switch OFF. Does COOLANT indicator light operate? Repair or replace lead 352A of bulkhead-to-portable instrument panel wiring harness (para 8-49). I CONTINUED ON NEXT PAGE 3-191