Fixable electric plug connection and a process for fixing an electric plug connection

An electric plug connection for use in a vehicle, comprising:

• a socket housing having socket contacts contained therein;
• a plug housing having plug contacts contained therein, said socket contacts and plug contacts each being connected with electric conducting wires and being mated with one another when said socket housing and plug housing are fitted to one another;
• and
• a one-piece elongated component having only a single through-opening having at lest one projection, one of said socket and plug housings being shaped so as to be insertable into one end of said through-opening, wherein an outer contour of said one housing substantially corresponds to the size of said through-opening and wherein said one housing includes a surrounding groove which can be locked in said through-opening via said at least one projection.