Checking the brake light switch (Fiesta 4)

Most often, the cause of brake light failure is the brake light switch. It is attached to the brake pedal bracket. When you press the pedal, the switch rod comes out and closes the contacts that control the brake light lights. The switch is checked as follows: disconnect the connector from the brake light switch and short-circuit the connector contacts with an additional wire. If the brake lights come on, then the brake light switch is faulty.

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