Brake light switch also referred as is gmc jimmy brake light switch is a small component that helps in operating the brake light in automobiles to warn other drivers behind to slow down or halt when brake pedal of automobile is pressed. Thus, the possibility of a person who is behind the vehicle being confronted with a danger whenever this vehicle is on the road is done away with. At the time, GMC Jimmy vehicles could have been installed with Brake Light Switches of other type/ style as a means of passing information concerning braking activities to the other vehicles within close proximity.