Car brake lights, divided by location, is divided into three types:
1, brake lights on the rear of the car;
2, brake lights on the car dashboard, that is, brake signal lights;
3, high mount stop lamp / high brake lights. According to the use of materials to be divided into two kinds:
1) gas car brake lights
2) LED car brake lights
Tail brake light base model
P21/5W, also known as BAY15D or 1157, this base model lamp has a double wire structure,
With brake warning function and position display function, the power is 21W when it is in the brake function, and 5W when it is in the position display function, the position display function is normally open.
2, W21/5W, also known as 7443, this base model lamp also has a dual wire structure, with a brake warning function and positioning function, when in the brake function, the power is 21W, when in the display position function, The power is 5W, and the display function is normally open.
3, P27/5W, also known as 3157, this base model of the lamp also has a dual wire structure, with brake warning function and positioning function, when in the brake function, the power is 21W, when in the display position function, The power is 5W, and the display function is normally open.
The base of the instrument panel brake indicator light is T5 W1.2W or T5 W2.3W, which can be called in-line or flat insertion. The bulb diameter is 5mm.
The biggest difference between W5W and W16W is that the diameter of the bulb is different, and there is power. However, most models use the W5W high brake light, and some models use the W16W, such as modern Yatex.
The role of car brake lights
The purpose of the tail car brake lights and high brake lights is to make it easier for the vehicle behind to easily find the brakes in front of the vehicle and to prevent the rear-end accident. The purpose of the dashboard brake indicator light is to facilitate the driver to indicate when the tail brake light is on.