TM 10-3930-669-20 7-33.  FUSE, RELAY, DIODE, AND BUSS BAR REPLACEMENT (CONT). NOTE Refer    to    wiring    diagram    for    specific fuse, diode, and relay replacement. (2) Remove fuse (3) from fuse panel (4). (3) Remove relay (5) from fuse panel (4). (4) Remove diode (6) from fuse panel (4). NOTE • Steps (5) and (6) below cover the replacement of relays R1 and R4 through R9. • Refer to wiring diagram for specific relay replacement. (5) Remove engine ventilation panel (Para 6-2). (6) Remove relay (7) from relay panel (8). 7-70