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 HI TEMP DIFF OIL INDICATOR MALFUNCTIONS (M548A1)—Continued 0058 00 BY 1. Remove engine harness plug (1) from power harness jack (2) at battery box. 2. Is the HI TEMP DIFF OIL indicator still ON? YES NO BYN 1. Repair engine harness circuit 328 (WP 0294 00). 2. Verify no faults found. 2BY 1. Turn MASTER SWITCH OFF. 2. Remove power harness circuit 328/27K plug (1) from HI TEMP DIFF OIL jack (2). 3. Measure resistance between indicator jack (2) pins and ground one at a time. 4. Did multimeter read 0 ohms for either measurement? YES NO 2BYN 1. Repair power harness circuit 328/ 27K (WP 0294 00). 2. Verify no faults found. 3BY 1. Install engine harness plug on power harness jack at battery box. 2. Replace HI TEMP DIFF OIL indicator light assembly (WP 0264 00). 3. Verify no faults found. 0058 00-3