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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 FUEL LEVEL INDICATOR MALFUNCTIONS—Continued 0049 00 B2Y 1. Install jumper wire between harness 12268797 circuit 30 or 31 and ground. 2. Does fuel indicator read empty? YES NO GO TO CY (PAGE 0049 00-5) B3Y 1. Access failing fuel level transmitter (WP 0190 00). 2. Remove lead 12268804 -1 (or -2) plug (1) from failing transmitter jack (2). 3. Check continuity between plugs (1) and (3). 4. Does multimeter read 0 ohms? YES NO B3YN 1. Replace FUEL QUANTITY transmitter lead, 12268804 -1 (WP 0190 00) or 12268804-2 (for M577A3/M1068A3) (WP 0191 00). 2. Verify no faults found. B4Y 1. Replace FUEL QUANTITY transmitter (WP 0190 00) or (for M577A3/M1068A3) (WP 0191 00). 2. Verify no faults found. 0049 00-4