Yamaha F100B F100C Outboards Factory Service Manual, Page 343Get this manual
Wiring diagram F100BET, F100CET 1 Battery Power trim and tilt motor Starter motor Starter relay Power trim and tilt relay Rectifier Regulator Lighting coil Pulser coil Ignition coil Spark plug Throttle position sensor Trim sensor CDI unit Oil pressure switch Prime Start Hour meter Fuse (30A) Fuse (20A) Neutral switch Trailer switch Power trim and tilt switch Trim sensor Engine stop switch Engine start switch