A cable connector assembly includes a cover with a receiving space, a first open on one side thereof, a second open opening along a direction perpendicular to the first open and a third open, an electrical connector received the first open, a cable bounding a plurality of wires therein with one end electrically connecting to the electrical connector and the other end extending out of the cover through the second open, a longer first bolt located at one side of the first open and extending through a passage formed in the cover to disclose the two opposite ends out of the cover, and a shorter second bolt located at the other side of the first open opposite to the first bolt, and comprising an operation portion received in the third open of the cover and exposed out of the cover; wherein the second open and the third open are located at the same side of the electrical connector, and the distance between the third open and the first open is less than the distance between the second open and the first open.