TRANSMISSION DOES NOT REVERSEContinued

TRANSMISSION DOES NOT REVERSEContinued - TM-9-2350-277-20-1_355

TM-9-2350-277-20-1 Hull Powerpack Drive Controls Tracks Suspension and Associated Components Carrier Ammunition Tracked Manual
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TM 9-2350-277-20-1 TRANSMISSION DOES NOT REVERSE—Continued 0070 00 Y 1. Remove harness 12349810 plug (1) from harness 12349813 jack (2) at carrier bulkhead. 2. Measure voltage between each socket on harness 12349813 jack (2) and ground. Multimeter should read 18 volts or more for socket B (3), C (4), E (5), and J (6), and 0 volts for the remaining socket checks. 3. Does multimeter read less than 18 volts at sockets B (3), C (4), E (5), and J (6), or more than 0 volts at all remaining sockets? YES NO YN 1. Faulty harness 12349810 (transmission control wiring harness). Beyond unit maintenance repair. 2. Notify supervisor. 2Y 1. Turn MASTER SWITCH to OFF. 2. Install harness 12349810 plug on transmission jack. 3. Remove transmission controller (WP 0386 00 or WP 0387 00). 4. Measure resistance between transmission controller jack (1) pin M (2) and pins A thru G. Multimeter should read 0 ohms for pins B, C, and E, and read infinity for all remaining pins. 5. Does multimeter read more than 0 ohms for pins B, C, and E, or less than infinity for all remaining pins? YES NO 2YN 1. Install transmission controller (WP 0386 00 or WP 0387 00). 2. Faulty harness 12349813 (transmission wiring harness). Beyond unit maintenance repair. 3. Notify supervisor. 0070 00-2

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