my dog chewed apart two wires that were hanging down a little under my trunk

What is your question?

on one end they go to this little black round plastic connector, a little bigger around than a pencile, but only about 2 inches long; that connects to another connector. The wires go up thru the trunk and along the trunk wall to the right. Without tearing the trunk liner off I can't tell where they go from there. Question-Can you tell what this part is called so I can get a new connector and splice the wires in to the wires that are left. Does that make sense?