Settings for Address Bar Search Engine.

In most web browsers if you use the address/location bar to search it will use your default search engine to complete the request. I have installed the Google search engine side bar and have tried numerous tips and tricks listed on the FAQ to try and resolve the problem... When I use my address bar for a search it defaults to Bing...Which I hate!!! But I cant seem to get it use Google unless I use the "add-on" for it but that still leaves me unable to use the address bar. Please Help!