Figs. 837 and 838 show the new stop light switch used on the car and truck.
The new switch is unusually efficient, simple in design and easily installed.
Its construction practically eliminates any possibility of stop light switch failure, as the switch plunger is under constant spring ten- sion at all times, except when the brake is applied.
When the brake pedal is depressed, the switch plunger snaps forward, closing the contacts in the switch and putting on the stop light.
As the new style switch parts are not interchangeable with the old design, the old switch will be held for service.