TM 9-2350-247-20-1TRANSMISSION DOES NOT HOLD 3RD POSITION (M548A3)—Continued 0081 00Y1. Remove wiring harness 12313482 plug (1) from wiring harness12313483 jack (2) at carrier bulkhead.2. Measure voltage between each socket on wiring harness12313483 jack (2) and ground. Multimeter should read 0 volts forsockets B (3), D (4), and H (5) and at least 18 volts for theremaining socket checks.3. Does multimeter indicate an incorrect reading?YESNOYN1. Replace wiring harness 12313482(transmission shift control wiringharness, WP 0297 00).2. Verify no faults found.2Y1. Turn MASTER SWITCH OFF.2. Install wiring harness 12313482 plug on transmission jack.3. Replace transmission shift control (WP 0306 00)4. Place transmission shift control in 1–3 position.5. Measure resistance between transmission shift control jack (1)pin M (2) and pins A thru G and N. Multimeter should readinfinity for pins B and D, and 0 ohms for pins A, C, E, F, and G.See pin to pin check (WP 0309 00).6. Does multimeter indicate an incorrect reading?YESNO2YN1. Install transmission shift control(WP 0306 00).2. Replace wiring harness 12313483(transmission wiring harness,WP 0297 00).3. Verify no faults found.0081 00-2
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