inputs.text: worked greatfor two weeks - worked great two weeks one day start car got nothing statici tried retuning no luck tried replacing fuse old one still good not help eitherbeing electronics tech took apart discovered vehicle hadsurged power revving engine fried transmittercrystal fuse supposed prevent not adding asingle 7805 voltage regulator chip would stopped happening andadded sixty cents design cost itehem made hundred timesmore reliablebeing unable get replacehement crystal threw away since shipping costsare itehem worth ordering better model another vendorto replace thisyou get pay forfor awhile