TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 COOLANT TEMP INDICATOR MALFUNCTIONS—Continued 0053 00 2Y 1. Remove jumper wire. 2. Replace water temperature transmitter (WP 0321 00). 3. Verify no faults found. AY 1. Turn MASTER SWITCH to OFF. 2. Remove harness 12349873 plug (1) from harness 12349881 jack (2) at carrier bulkhead. 3. Turn MASTER SWITCH to ON. 4. Is TEMP indicator still not in full left (cold) position? YES NO AYN 1. Replace harness 12349873 circuit 33 (WP 0359 00). 2. Verify no faults found. A2Y 1. Turn MASTER SWITCH to OFF. 2. Remove instrument panel for access (WP 0295 00). 3. Remove harness 12349881 circuit 33 plug (1) from TEMP indicator jack (2). 4. Measure resistance between harness 12349881 circuit 33 plug (1) and ground. 5. Is reading 0 ohms? YES NO A2YN 1. Faulty harness 12349881 circuit 33. Beyond unit maintenance repair. 2. Notify supervisor. 0053 00-2