A mandatory lighting system comprising amber or red lamps on the front, rear, and sometimes sides of a vehicle. Activated by a stalk on the steering column, it routes power through a flasher relay or body control module to create a rhythmic blinking that warns other drivers of intended movement.
Heard on the job
Check the ground wire on the left tail housing, the turn signal is hyperflashing.
Also heard as
- blinker
- indicator
- directional