TRANSMISSION DOES NOT HOLD 1ST POSITION (M548A3)Continued

TRANSMISSION DOES NOT HOLD 1ST POSITION (M548A3)

TRANSMISSION DOES NOT HOLD 1ST POSITION (M548A3)Continued

TM-9-2350-247-20-1 Crane (CAB) Components Recovery Vehicle Full Tracked: light Armored M578 (2360-00-439-6242) (EIC:3LA) Manual
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TM 9-2350-247-20-1 TRANSMISSION DOES NOT HOLD 1ST POSITION (M548A3)—Continued 0079 00 Y 1. Remove wiring harness 12313482 plug (1) from wiring harness 12313483 jack (2) at carrier bulkhead. 2. Measure voltage between each socket on wiring harness 12348313 jack (2) and ground. Multimeter should read 18 volts or more for sockets A (3), C (4), E (5) and J (6) and 0 volts for the remaining socket checks. 3. Does multimeter indicate an incorrect reading? YES NO YN 1. Replace wiring harness 12313482 (transmission shift control wiring harness, WP 0297 00). 2. Verify no faults found. 2Y 1. Turn MASTER SWITCH OFF. 2. Install wiring harness 12313482 plug on transmission jack. 3. Remove transmission shift control (WP 0306 00). 4. Place transmission shift control in 1 position. 5. Measure resistance between transmission shift control jack (1), pin M (2), and pins A thru G and N. Multimeter should read 0 ohms for pins A, C, and E and infinity for all remaining pin checks. See pin to pin check (WP 0309 00) 6. Does multimeter indicate an incorrect reading? YES NO 2YN 1. Install transmission shift control (WP 0306 00). 2. Replace wiring harness 12313483 (transmission wiring harness, WP 0297 00). 3. Verify no faults found. 0079 00-2

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