Download 2017 Acura MDX Traler Hitch User’s Information Manual – Operation – How to Connect the 7-pin Connector: NOTE: Inspect the inside of the socket for foreign material or water. If necessary, clean the socket before installing the 7-pin connector. • connector into the socket. • Hook the retaining tab on the inside of the lid against the retaining tab on the connector to prevent the connector from being unplugged. How to Disconnect the 7-pin Connector: • Lift the socket lid to release the retaining tab, and gently pull the 7-pin out to unplug the connector. Do not pry out on the connector with force. • Close the socket lid securely. Before submerging the socket in water, • Before submerging the socket in water, disconnect the 7-pin connector, and securely close the socket lid. Failure to disconnect the 7-pin connector before it is submerged may cause the vehicle to blow a light fuse. Water will enter the connector if it is submerged • Water will enter the connector if it is submerged in the water.