M275A2 TM 9-2320-361-34 I 7-4. REAR WIRING HARNESS REPLACEMENT (Contd) 25. Connect wire (6) to fuel sending unit (12). 26. Connect plug (14) to fuel pump (13). 27. Install ground wire (3) on support (4) with new lockwasher (2), screw (5), and new locknut (1). 28, Remove slack from rear wiring harness (9) and install two clamps (7) on rear wiring harness (9) and crossmember (10) with two screws (8) and new locknuts (11). NOTE Perform steps 29 through 31 for M275A2 vehicles. 29. Connect wire (18) to fuel sending unit (19). 30. Connect plug (23) to fuel pump (22). 31. Install ground wire (17) to support (16) with new lockwasher (21), screw (20), and new locknut (15). 7-48