1986-1987 Honda TRX350 FourTrax 4X4, 1987-1989 TRX350D Foreman 4X4 Service Manual, Page 251Get this manual
17IGNITION SYSTEM DC-COl SYSTEM (FOREMAN)
(1) ENGINE STOP SWITCH (11) DC-COl UNIT (S) FUSE BOX (SUB-FUSE)
IGNITION SWITCH
(4) MAIN FUSE (5) BATIERY
(7) NEUTRAL SWITCH
(10) SPARK PLUG
(9) PULSE GENERATOR
(S) ALTERNATOR
After '87: