TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 297 of 1275
TM 9-2350-311-20-1 CONTINUED FROM STEP A B 1. Reconnect lead 3526 to COOLANT indicator light. ‘ 2. Disconnect portable instrument panel wiring harness from portable instrument panel disconnect. 3. Place jumper wires from pin A to socket A (lead 27), and from socket P (lead 459B) to socket C (lead 459). 4. Place a jumper wire from pin N (lead 352B) to ground. 5. Turn MASTER switch ON and press COOLANT indicator light. 6. Turn MASTER switch OFF. Does COOLANT indicator light operate? portable Instrument panel wrong Repair or replace lead 352B of 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 P (lead 352B) 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? m CONTINUED ON NEXT PAGE 3-197