You'll probably want to add a 'js' parameter to your module that includes all the javascript files required for the auto suggest. The value can be an array or a string with a comma in between each file name. By default, it will look for javascript files in your main sites /assets/js folder. http://www.getfuelcms.com/user_guide/modules/simple
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http://www.getfuelcms.com/user_guide/modules/simple