TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 COOLANT TEMPERATURE GAUGE MALFUNCTIONS—Continued 0053 00 2BY 1. Turn MASTER SWITCH OFF. 2. Partially remove instrument panel (WP 0256 00). 3. Remove power wiring harness circuit 33 plug (1) from TEMP gauge jack (2). 4. Measure resistance between power wiring harness circuit 33 plug (1) and ground. 5. Does multimeter read infinity? YES NO 2BYN 1. Wiring harness needs to be replaced. 2. Notify your supervisor. 3BY 1. Install engine wiring harness plug on power wiring harness jack at battery box. 2. Install engine wiring harness circuit 33 plug on engine temperature transmitter jack. 3. Replace TEMP gauge (WP 0266 00). 4. Verify no faults found. 0053 00-4