TE Connectivity Econoseal III 070 Series Connector Housings Econoseal III 070 series automotive wire connector plug and receptacle style housings. These automotive wire connector housings have discrete cable sealing and a centerline of 4.80mm (apart from stock number 718-7252 which is 5mm). These Econoseal III 070 automotive wire connector housings are made from black nylon, have polarized mating, inertia locking, a lanceless contact system and accept a wire size range of 0.5 to 2mm²