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 ENGINE COOLANT LOW LEVEL INDICATOR MALFUNCTIONS—Continued 0058 00 AY 1. Remove harness 12349873 plug (1) from harness 12349881 jack (2) at carrier bulkhead. 2. Is ENGINE COOLANT LOW LEVEL indicator still on? YES NO AYN 1. Shorted harness 12349873. Beyond unit maintenance repair. 2. Notify supervisor. A2Y 1. Turn MASTER SWITCH to OFF. 2. Remove harness 12349881 circuit 352/27K (1) from backside of ENGINE COOLANT LOW LEVEL indicator jack (2). 3. Measure resistance between harness 12349881 plug circuit 352 pin and ground. 4. Does multimeter read infinity? YES NO A2YN 1. Install harness 12349873 plug on coolant level detector. 2. Shorted harness 12349881 circuit 352. Beyond unit maintenance repair. 3. Notify supervisor. A3Y 1. Replace ENGINE COOLANT LOW LEVEL indicator assembly (WP 0294 00). 2. Verify no faults found. 0058 00-3