TE Connectivity Econoseal J Series Connector Housings A range of Econoseal J series waterproof receptacle and plug style wire to wire automotive connector housings. The wire seals for these connector housings can be loaded at the same time as the contacts are crimped and cavity plugs can be used to plug up unused cavities. The design of these Econoseal J series waterproof receptacle and plug style wire to wire automotive connector housings allows mis-mating to be prevented thus avoiding contact damage. Not Preloaded