TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
Page 297 of 870
TM 9-2350-247-20-1 COOLANT TEMPERATURE GAUGE MALFUNCTIONS—Continued 0053 00 3CY 1. Install engine wiring harness circuit 33 plug on engine coolant temperature transmitter. 2. Install jumper wire between power wiring harness jack (1) pin E (2) and ground (at battery box). 3. Remove power wiring harness circuit 33 plug (3) from TEMP gauge jack (4). 4. Measure resistance between power wiring harness circuit 33 (3) and ground. 5. Does multimeter read 0 ohms? YES NO 3CYN 1. Remove jumper wire. 2. Wiring harness needs to be replaced. 3. Notify your supervisor. 4CY 1. Remove jumper wire. 2. Install engine wiring harness plug onto power wiring harness jack at battery box. 3. Replace TEMP gauge (WP 0266 00). 4. Verify no faults found. 0053 00-7/8 blank