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 STE/ICE TEST 25 FUEL RETURN PRESSURE DIAGNOSTIC TROUBLESHOOTING—Continued 0144 00 5Y 1. Move jumper wire on harness 12354672 plug P1 (1) from pins 3 and 4 to pins 1 (2) and 2 (3). 2. Measure resistance between harness 12354593 plug P1 (4), pins g (5) and h (6). 3. Does VTM read 0 ohms? YES NO GO TO EY (PAGE 0144 00-9) 6Y 1. Has fuel return pressure tachometer been replaced? YES NO 6YN 1. Replace fuel return pressure tachometer (WP 0325 00). 2. Verify no faults found. 7Y 1. Faulty VTM. 2. Notify supervisor. 0144 00-4