What do you mean by "connectors"? Pictures? A conductive, insulated metal strip is connected between the rheostat/coil (thru the housing) and the center terminal on the sender mounting flange. If you were to open up the housing (can), I'll bet the coil is disintegrating/rusting. New sender is needed. Jim Carter is capable of handling currency conversion and foreign shipping. He typically only charges actual shipping and no handling and is a sponsor here.

Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn