Gear Shift Headlight Dimmer Switch
![headlight-dimmer-switch headlight dimmer switch](https://www.innovation-creativity.com/wp-content/uploads/2020/05/headlight-dimmer-switch.jpg)
Headlight dimmer switches on the gear shift leavers of trucks.
They would make it easier to lower lights on hills and curves where there is lots of gear shifting.
Clifford R Kreiling, Palmdale, California
April 1963