TM 10-3930-669-20 7-16.  FRONT/REAR LIGHTS SWITCH REPLACEMENT. This task covers: a.  Removal b.  Installation INITIAL SETUP Tools and Special Tools Tool Kit, General Mechanic's: Automotive (Item 1, Appendix B) Materials/Parts Cable Ties (Item 4, Appendix C) Tags, Identification ( Item 21, Appendix C) Equipment Condition Engine OFF (TM 10-3930-669-10) Parking brake applied (TM 10-3930-669-10) Wheels chocked (TM 10-3930-669-10) Cab door opened (TM 10-3930-669-10) Batteries disconnected (Para 7-48) a.  Removal NOTE • Replacement    procedure    for    front lights   switch   is   shown.      The   rear light   switch   is   replaced   the   same way. • Remove cable ties as required. (1) Remove  four  screws  (1)  from  instrument panel (2). (2) Remove  screw  (3)  and  washer  (4),  and raise    instrument    panel    (2)    from    dash frame (5). NOTE Depress    tabs    on    ends    of    switch    to remove switch. (3) Remove switch (6) from instrument panel (2). NOTE Tag and mark all wires prior to removal. (4) Disconnect three wires (7) from switch (6). 7-35