Honda Outboards BF40A/BF50A Service Manual, Page 352Get this manual
BF40A-BF50A 9) Disconnect the power trimtilt motor wire 2P connector
[2] POWER TRIMfTlL T
MOTOR WIRE
10) Pull off the trim angle sensor's three connectors from the connector holder and disconnect them
[1] CONNECTOR HOLDER
[2] CONNECTORS
TRIM ANGLE SENSOR WIRE