TM 9-2320-361-34 15-24. 115- AND 24-VOLT WIRING HARNESS REPLACEMENT (Contd) 37. Remove bushing (3) from nipple (2) and blackout switch (4). 38. Remove two nuts (5), lockwashers (6), and blackout switch (4) from mounting bracket (1). Discard lockwashers (6). 39. Remove bushing (9) from nipple (12) and multibreaker box (8). 40. Remove two nuts (10), lockwashers (11), and multibreaker box (8) from mounting brackets (7) and nipple (12). Discard lockwasher (11). 15-86