TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
Page 344 of 1170
TM 9-2320-280-20-3 11-94 Change 2 11-67. TOW WIRING HARNESS REPLACEMENT (Cont'd) 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. 8. Slide rubber boot (9) back to allow access to slave receptacle (3) connections. 9. Remove capscrew (1), lockwasher (2), slave positive cable (10), and lead 49B (11) from slave receptacle (3). Discard lockwasher (2). 10. 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). 11. Remove plain-assembled nut (21), screw (23), and clamp (22) from TOW wiring harness (8) and battery box (18). Discard plain-assembled nut (21). 12. Remove capscrew (12), lockwasher (13), lead 50B (7), slave negative cable (6), and battery negative cable (14) from shunt (15). Discard lockwasher (13). 13. Remove nut (20), lockwasher (19), lead 49B (11), cables (17), and slave positive cable (10) from power stud (16). Discard lockwasher (19). 14. Remove two plain-assembled nuts (32), screws (24), and clamps (25) from MGS power cable (26), VPC cable (31), and body (27). Discard plain-assembled nuts (32). 15. 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. Install MGS power cable (26) and VPC cable (31) on approximate mounting location in vehicle. 2. Install insulation (28) over MGS power cable (26) and VPC cable (31) and install retainer (30) to body (27) with two screws (29). 3. Install VPC cable (31) and MGS power cable (26) on body (27) with two clamps (25), screws (24), and plain-assembled nuts (32). 4. 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. 5. Connect lead 50B (7) and slave negative cable (6) to slave receptacle (3) with lockwasher (4) and capscrew (5). 6. Connect lead 49B (11) and slave positive cable (10) to slave receptacle (3) with lockwasher (2) and capscrew (1). 7. Using grease, coat receptacle (3) terminals and all exposed metal on rear of receptacle (3) and area under cap on front of receptacle (3). 8. 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. 9. Install battery negative cable (14), slave negative cable (6), and lead 50B (7) on shunt (15) with lockwasher (13) and capscrew (12). 10. Install TOW wiring harness (8) on battery box (18) with clamp (22), screw (23), and plain- assembled nut (21). 11. Slide rubber boot (9) to cover slave receptacle (3) connections.