inputs.text: good device defective design - tried use 2 cars various cigarettelighter sockets worked thehem not others got stuck trying figure exit take important meeting gps shut since plug not provide power trying various sockets realized springloaded centercontact not reaching socket center contact not providing power chevy prizm reach contact nissan maxima not seehems 12mm short reach center contact order fix drill tiny hole center insert little screw make springloaded center contact 3mm longer device works well may even file patent invention charge manufacturer royalty fee want something works cars look another device unless manufacturer fixes defective design