the connector make my ne run a bit better , but do not fix it 100 % . I still must wiggle my cartridge around and pull it about half way out before i can get the game to start . I think this be because the connector be not all the same , also there might be a difference in NES main board . the customer service from LukieGames , however , be excellent . I call with a problem and they help I out over the phone and send I a replacement for free with no question ask and great attitude . I will definitely be buy from LukieGames again . great people .