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 LO PRESS ENGINE OIL INDICATOR MALFUNCTIONS—Continued 0054 00 3BY 1. Remove power harness circuit 27J/34 plug (1) from LO PRESS ENGINE OIL indicator jack (2). 2. Measure voltage between circuit 27J plug pin and ground. 3. Does multimeter read less than 17 volts? YES NO 3BYN 1. Replace LO PRESS ENGINE OIL indicator panel light assembly (WP 0264 00). 2. Verify no faults found. 4BY 1. Repair power harness circuit 27F (WP 0294 00). 2. Verify no faults found. CY 1. Remove power harness circuit 27J/34 plug (1) from LO PRESS ENGINE OIL indicator jack (2). 2. Measure resistance between circuit 34 plug pin and ground. 3. Does multimeter read more than 0 ohms? YES NO CYN 1. Install power harness plug on LO PRESS ENGINE OIL indicator jack. 2. Remove jumper wire. 3. Replace engine oil low pressure switch (WP 0281 00). 4. Verify no faults found. 0054 00-4