2006 Honda TRX680 Rincon Factory Service Manual, Page 171Get this manual
FUEL SYSTEM (PGM-FI) Do not pull the wire Disconnect the PCM 33P (Black), 33P (Gray) and 5P harness while dis- (Black) connectors and then remove the PCMconnecting the PCM connectors
33P (GRAY) CONNECTOR
Install the PCM in the reverse order of removal
5P (BLACK) CONNECTOR