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How many brake lights are there?

1 Answers

MichaelLee

07/30/25 6:15am

There are two brake lights at the rear of the car. The following introduces the base models of the rear brake lights: P21/5W: Also known as BAY15D or 1157, this base model lamp has a dual-filament structure, providing both brake warning and position functions. When in brake mode, the power is 21W, and when in position mode, the power is 5W. The position function is always on. W21/5W: Also known as 7443, this base model lamp also has a dual-filament structure, providing both brake warning and position functions. When in brake mode, the power is 21W, and when in position mode, the power is 5W. The position function is always on. P27/5W: Also known as 3157, this base model lamp also has a dual-filament structure, providing both brake warning and position functions. When in brake mode, the power is 21W, and when in position mode, the power is 5W. The position function is always on.

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