TM10-3930-660-20 8-25. TURN SIGNAL FLASHER - REPLACE This task covers: a. Removal b. Installation Initial Setup Tools Materials/Parts Tool Kit, Automotive Mechanics Locknuts  (5) Equipment  Condition Vehicle parked on level ground. Negative  battery  cable  disconnected para.  8-44. The turn signal flasher (1) is mounted inside the cab front console. 8-65