TM 10-3930-664-24 D.  INSTALLATION 1. Position reverse warning alarm (I) into right rear light   box   (4).      Carefully   feed   electrical   wires through hole in rear of box. 2. Secure  reverse  warning  alarm  (1)  using  screws (2)  and  nuts  (3).    Outside  screw  secures  alarm ground wire. 3. Connect electrical wire to reverse warning alarm (1). FOLLOW-ON MAINTENANCE: Connect battery cables (para.  2-78) END OF TASK 2-219