TM 10-3930-669-20 VERIFY REPAIR (1)    Set    MAIN    POWER    switch    to    ON position (TM 10-3930-669-10). (2)  Set  engine  switch  to  ignition  position (TM 10-3930-669-10). (3)  Set  front  light  switch  to  ON  position (TM 10-3930-669-10). (4) Observe gauge light. (a)   If   gauge   light   does   not   operate, fault not corrected.  Perform Steps (5)   through   (7)   below.      Repeat procedure and notify Supervisor. (b)     If     gauge     light     operates,     fault corrected. (5) Set front light switch to OFF position. (6) Set engine switch to off position. (7)   Set   MAIN   POWER   switch   to   OFF position. 2-197