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 TRANSMISSION OIL LOW PRESSURE INDICATOR MALFUNCTIONS—Continued 0056 00 B3Y 1. Remove harness 12349881 circuits 367 plug (1) and 366A (2) plug from parking brake switch jacks (3) and (4). 2. Check continuity between parking brake switch jacks (3) and (4). 3. Is there continuity? YES NO B3YN 1. Install harness 12349881 circuit 367/ 27L plug on TRANS OIL LOW PRESS indicator. 2. Remove jumper wire and install harness 12349881 circuit 366 plug on trans oil low press switch. 3. Replace parking brake switch (WP 0331 00). 4. Verify no faults found. B4Y 1. Remove harness 12349881 circuit 366A (1) and circuit 366 (2) from stop light switch circuit jack 366A (3) and jack 366 (4). 2. Check continuity between switch circuit jack 366A (3) and jack 366 (4). 3. Is there continuity? YES NO B4YN 1. Remove jumper and install harness 12349810 circuit 366 plug. 2. Install harness 12349881 circuit 367/ 27L, 366A and 367 plugs. 3. Replace stop light switch (WP 0331 00). 4. Verify no faults found. B5Y 1. Check continuity between harness 12349881 circuit 366 plug pin at stop light switch and ground. 2. Is there continuity? YES NO GO TO DY (PAGE 0056 00-10) 0056 00-7