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 STEERING LOCKED INDICATOR MALFUNCTIONS—Continued 0054 00 C3Y 1. Install harness 12369685 (for cable-activated lock) plug on STEERING LOCKED indicator jack. 2. For solenoid-activated lock, remove harness 12349911 lead 369A plug (1) and lead 369 plug (2) from steering locked switch jacks (3) and (4). For cable-activated lock, remove harness 12369684 lead 368 plug (1) and lead 369A plug (2) from steering locked switch jacks (3) and (4). 3. H: For solenoid-activated lock, push and hold solenoid plunger while measuring resistance. 4. Measure resistance between steering locked switch jacks (3) and (4). 5. Does multimeter read 0 ohms? YES NO C3YN 1. Replace steering locked switch (WP 0330 00). 2. Verify no faults found. C4Y 1. Replace harness 12349911 (for solenoid-activated lock) circuit 369, 369A, 368, 368A, or harness 12369684 (for cable-activated lock) circuit 369A and 368, and/or ground (WP 0367 00). 2. Verify no faults found. 0054 00-5/6 blank Change 1