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 CY 1. Remove harness 12349873 plug (1) from harness 12349881 jack (2) at carrier bulkhead. 2. Measure voltage between harness 12349881 jack (2) pin J (3) and ground. 3. Does multimeter read less than 17 volts? YES NO CYN 1. Replace harness 12349873 circuit 27N (WP 0359 00). 2. Verify no faults found. C2Y 1. Turn MASTER SWITCH to OFF. 2. Install harness 12349873 plug on coolant level detector. 3. Remove instrument panel for access. See task: replace instrument panel mounts and ground lead (WP 0295 00). 4. Remove harness 12349881 circuit 27F plug (1) from cable assembly 12349858 circuit 27F jack (2). 5. Remove cable assembly 12349858 circuit 27 plug (3) from instrument panel circuit breaker (4). 6. Measure resistance between cable assembly 12349858 circuit 27 plug (3) and circuit 27F plug (1). 7. Does multimeter read 0 ohms? YES NO C2YN 1. Install harness 12349873 plug on harness 12349881 jack on carrier bulkhead. 2. Replace cable assembly 12349858 circuit 27/27F (WP 0290 00). 3. Verify no faults found. 0058 00-5