Replace by:
E308301 = MULTIPLEX ISOLATOR MODULE 2451
Might need:
E399967 = 23 PIN CONNECTOR
E399966 = FEMALE TERMINAL 20-16 AWG
E307634 = MALE 8P CONNECTOR
E307635 = LOCK SECONDARY 4P
E307636 = 10-12 AWG TERMINAL
E307517 = 100A MIDI FUSE
E307516 = 40A MIDI FUSE