Link up the harness connector to the speaker, fix the speaker inside the front door, fasten the mounting screws, set the front door trim back in place and then attach the negative terminal of your battery. After fitting the wire harness connector to the speaker, place it in the panel, then fasten the speaker by using the mounting screws, place the grille over the speaker and connect the battery negative cable. In the back doors, link the wire harness connector to the speaker, add the speaker to the door and hold it in place firmly, tighten both mounting fasteners and slide on the rear door trim panel after that.