TM 1-1740-221-13&P&P
FIELD MAINTENANCE
TRANSMISSION SHIFT CONTROL
INITIAL SETUP:
Personnel Required
Test Equipment
91B, Light Wheel Vehicle Mechanic
Multimeter (WP 0157, Item 14)
References
Tools and Special Tools
General Mechanic Tool Box (WP 0157, Item 24)
Chocking Blocks (WP 0155, Item 25)
Equipment Condition
Materials/Parts
Engine Shut Down and Cool
Strap, Tie Down (WP 0156, Item 47)
INSPECTION
Inspect transmission shift control for excessive wear or damage and mounting security. Inspect shifter-wiring
harness for loose connections, broken wiring or corrosion. Inspect wire connectors for secure connections.
END OF TASK
TEST
1. Remove transmission shifter assembly this work package.
NOTE
Connector J11 is identiied (Figure 1, Item 4) and connector J12 is identiied (Figure 1, Item 3).
2.
Place transmission gear selector in reverse (R).
3.
Ohms test from J11 wire 65 (white) to J12 wire 66 (red) for continuity.
4.
Place transmission gear selector in D1.
5.
Ohms test from J11 wire 65 (white) to J12 wire 68 (green) for continuity.
6.
Place transmission gear selector in D2.
7.
Ohms test from J11 wire 65 (white) to J12 wire 70 (blue) for continuity.
8.
Replace transmission shifter assembly if any continuity test fails.
END OF TASK
REMOVAL
1. Disconnect negative battery cables (WP 0111).
2. Chock rear wheels.
3. Lift front of vehicle (WP 0029).
4. Remove four mount screws and washers (Figure 1, Item 1).
5. Disconnect 2 shift control electrical connectors (Figure 1, Item 3 and 4) under front of vehicle.
NOTE
Remove wire ties from transmission shifter harness.
6.
Carefully maneuver (rotate) transmission shift control assembly (Figure 1, Item 2).
7.
Remove transmission shift control assembly (Figure 1, Item 2) from vehicle.
END OF TASK
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