hai, does any body knows how to repair hl tanks. all my tank features works except the left and right turn of the turet, i did open m tank up and i don't see any of ny curcui burn nor any cables cut off , i don't see any poblem but my turet does not move...? foward,turn,reverse, cannon elevaing, bb shoting every thing, sound and smoke, only the turret novement, anybody help me please this is my second tank that spoil,