TM 10-3930-669-20 CONTINUITY TEST (1) Remove fuse 10 (Para 7-33). (2) Check element across fuse. (a) If there is a break, replace fuse 10. (b)  If  there  is  not  a  break,  fuse  10  is OK. (4) Install fuse 10. 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)  Turn  on  cab  lights  (TM  10-3930-669- 10). (4) Observe cab lights. (a)  If  cab  lights  do  not  operate,  fault not corrected.  Perform Steps (5) through (7) below. Repeat procedure and notify Supervisor. (b) If cab lights operate, fault corrected. (5) Turn off cab lights. (6) Set engine switch to off position. (7)   Set   MAIN   POWER   switch   to   OFF position. 2-193