TM 9-2350-277-20-1FUEL LEVEL INDICATOR MALFUNCTIONS—Continued 0049 003Y1. Install circuit 30 and 31 plugs on FUEL TANK switch.2. Remove circuit 28 plug (1) from FUEL LEVEL indicator jack (2).3. Check continuity between circuit 28 plugs (1) and (3).4. Does multimeter read 0 ohms?YESNO3YN1. Replace lead 12268805(WP 0281 00).2. Verify no faults found.4Y1. Install circuit 28 plug on FUEL TANK switch jack.2. Replace FUEL LEVEL indicator (WP 0285 00).3. Verify no faults found.BY1. Remove harness 12268797 circuit 30 (left tank) plug (1) or circuit31 (right tank) plug from failing fuel tank jack (2).2. Turn FUEL TANK switch to failing side.3. Does indicator read full scale?YESNOBYN1. Do steps Step 2 and Step 3 for allcarriers except M577A3 andM1068A3. Do steps Step 4 and Step5 for M577A3 and M1068A3.2. Replace harness 12268797 circuit 30or 31 (WP 0290 00).3. Verify no faults found.4. Faulty circuit 29 or 30. Beyond unitmaintenance repair.5. Notify supervisor.0049 00-3
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