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 FRONT BILGE PUMP AND/OR LIGHT DOES NOT OPERATE—Continued 0084 00 2Y 1. Remove circuit 452 plug (1) from pump jack (2). 2. Measure voltage between plug 452 (1) and ground. 3. Does multimeter read more than 17 volts? YES NO 2YN 1. Repair main wiring harness (WP 0294 00). 2. Verify no faults found. 3Y 1. Turn MASTER SWITCH OFF. 2. Measure resistance between bilge pump body (1) and ground lead (2). 3. Does multimeter read 0 ohms? YES NO 3YN 1. Replace ground lead to bilge pump (WP 0424 00). 2. Verify no faults found. 4Y 1. Replace bilge pump (WP 0424 00). 2. Verify no faults found. 0084 00-2