From the Dialects menu, scroll down and select MySQL. Then enter your Fusion Warehouse credentials on the connection form.
Once you’ve entered the credentials, click on Test These Settings to verify the information is correct and the database is able to connect.
Once you verify that the information is correct, click Add Connection. Your database connection is now added to the list on the Connections page. You can click Test to show messages confirming the database connection as well as additional functionality supported by Looker for your database connection.