TM 9-2320-280-20-3
11-67. TOW WIRING HARNESS REPLACEMENT (Cont’d)
8.
9.
10.
11.
12.
13.
14.
15.
NOTE
Perform steps 8 through 10 and 14 and 15 for vehicles with serial numbers
99,999 and below, and steps 11 through 15 for vehicles with serial numbers
100,000 and above with kits 5705623 and 5705624 installed.
Slide rubber boot (9) back to allow access to slave receptacle (3) connections.
Remove capscrew (1), lockwasher (2), slave positive cable (10), and lead 49B (11) from slave
receptacle (3). Discard lockwasher (2).
Remove capscrew (5), lockwasher (4), slave negative cable (6), and lead 50B (7) from slave
receptacle (3). Remove TOW wiring harness (8) from vehicle. Discard lockwasher (4).
Remove nut and lockwasher assembly (21), screw (23), and clamp (22) from TOW wiring
harness (8) and battery box (18). Discard nut and lockwasher assembly (21).
Remove capscrew (12), lockwasher (13), lead 50B (7), slave negative cable (6), and battery negative
cable (14) from shunt (15). Discard lockwasher (13).
Remove nut (20), lockwasher (19), lead 49B (11), cables (17), and slave positive cable (10) from power
stud (16). Discard lockwasher (19).
Remove two nut and lockwasher assemblies (32), screws (24), and clamps (25) from MGS power
cable (26), VPC cable (31), and body (27). Discard nut and lockwasher assemblies (32).
Remove two screws (29) from retainer (30) and body (27) and pull back insulation (28). Remove MGS
power cable (26) and VPC cable (31) from vehicle. -
b. Installation
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Install MGS power cable (26) and VPC cable (31) on approximate mounting location in vehicle.
Install insulation (28) over MGS power cable (26) and VPC cable (31) and install retainer (30) to
body (27) with two screws (29).
Install VPC cable (31) and MGS power cable (26) on body (27) with two clamps (25), screws (24), and
nut and lockwasher assemblies (32).
Install TOW wiring harness (8) in approximate mounting location on vehicle.
NOTE
Perform steps 5 through 7 and 11 for vehicles with serial numbers
99,999 and below, and steps 8 through 10 for vehicles with serial
numbers 100,000 and above with kits 5705623 and 5705624
installed.
Connect lead 50B (7) and slave negative cable (6) to slave receptacle (3) with lockwasher (4)
and capscrew (5).
Connect lead 49B (11) and slave positive cable (10) to slave receptacle (3) with lockwasher (2) and
Capscrew (1).
Using grease, coat receptacle (3) terminals and all exposed metal on rear of receptacle (3) and area
under cap on front of receptacle (3).
Install lead 49B (11), slave positive cable (10), and cables (17) on power stud (16) with lock-
washer (19) and nut (20). Apply grease to power stud (16) and all exposed metal.
Install battery negative cable (14), slave negative cable (6), and lead 50B (7) on shunt (15) with
loclwasher (13) and capscrew (12).
Install TOW wiring harness (8) on battery box (18) with clamp (22), screw (23), and nut and
lockwasher assembly (21).
Slide rubber boot (9) to cover slave receptacle (3) connections.
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