TM 10-3930-669-20 7-33.  FUSE, RELAY, DIODE, AND BUSS BAR REPLACEMENT (CONT ). (4) Install lower dash panel (2) on dash frame (11) with seven washers (10) and screws (9). NOTE Steps    (5)    and    (6)    below    cover    the replacement     of     relays     R1     and     R4 through R9. (5) Install relay (7) on relay panel (8). (6) Install    engine    ventilation    panel    (Para    6-2). 7-72