1474-Caller-Jim-Chicken-Lights by A Way with Words published on 2017-06-25T19:12:53Z Those strings of amber lights on 18-wheelers are known as chicken lights. But why? Although the term's origin is unclear, a participant in a discussion forum of the American Historical Truck Society suggests they may have been originally associated with trucks hauling Frank Perdue chickens. http://waywordradio.org