99. Remove locknut (40), screw (37), and clamp (38) from mounting bracket (39). Discard locknut (40). 100. Remove four screws (36), lockwashers (35), and two brake booster shields (34) to access stoplight switches (33) and (44) and differential valve (43). Discard lockwashers (35). 101. Disconnect two plug leads 75 (32) from stoplight switch (33). 102. Disconnect plug lead 118 (41) from differential valve switch (43). 103. Disconnect two plug leads 75 (42) from stoplight switch (44). 104. Remove tiedown straps (31), as necessary. Discard tiedown straps (31). 105. Disconnect rear wiring harness plug (27) from front wiring harness receptacle (29). 106. Remove three locknuts (30), screws (28), and front wiring harness receptacle (29) from mounting bracket (45) on frame rail (26). Discard locknuts (30). CAUTION Prior to removal of wiring harness, ensure all clamps have been removed and disconnections have been performed. Failure to do so may result in damage to equipment. Use care when removing front wiring harness. Pulling a snagged or attached wiring harness from the vehicle may result in damage to equipment. 107. Remove front wiring harness from vehicle. ~ 26 27 28 29 30 45 31 33 32 37 38 39 40 41 43 44 42 34 35 36 TM 9-2320-386-24-1-2 0330 00 FRONT WIRING HARNESS REPLACEMENT (Contd) 0330 00-17