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 CY 1. Remove instrument panel for access (WP 0295 00). 2. Remove harness 12268797 circuit 30 plug (1) (left tank) or circuit 31 plug (2) (right tank) from FUEL TANK switch jack (3) or jack (4). 3. Remove circuit 28 plug (5) from FUEL TANK switch jack (6). 4. Check continuity between exposed jack pins on FUEL TANK switch (3). 5. Does multimeter read 0 ohms? YES NO CYN 1. Install harness circuit 30 or 31 on fuel tank transmitter. 2. Replace FUEL TANK switch (WP 0277 00 or WP 0282 00). 3. Verify no faults found. C2Y 1. Do Step 2 and Step 3 for all carriers except M577A3 and M1068A3. Do Step 4 and Step 5 for M577A3 and M1068A3. 2. Replace harness 12268797 circuit 30 or 31 (WP 0290 00). 3. Verify no faults found. 4. Faulty harness circuit 29 or 30. Beyond unit maintenance repair. 5. Notify supervisor. 0049 00-5/6 blank