TM10-3930-660-20 8-43. BATTERIES - SERVICE/TEST/REPLACE  (Cont’d) WARNING To avoid sparks when installing battery cables, always install positive cable (11)  last. 5. INSTALL BATTERY CABLES (11), (12), AND (13)  . a. b. c. d. e. f. Position two clamps (22) of crossover battery cable (13) on positive terminal (9) of right- hand battery (4) and on negative terminal (10) of left-hand battery (5). Secure crossover battery cable (13) by tightening two nuts (20) and capscrew (21) on two clamps (22). Position clamp (19) from positive battery cable (12) on positive battery terminal (8) of left-hand battery  (5). Secure positive battery cable (12) by tightening nut (17), and bolt (18) on clamp (19). Position clamp (16) from negative battery cable (11) on negative terminal (7) of right-hand battery (4). Secure negative battery cable (11) 6. by tightening nut (14)and capscrew (15) on clamp (16). INSTALL BATTERY BOX COVER AS DESCRIBED IN SERVICE SECTION OF THIS PARAGRAPH. 8-112