The handbrake warning lamp switch is a small electrical contact switch mounted at the handbrake mechanism, responsible for triggering the warning light on the instrument cluster when the parking brake is applied. A faulty switch can result in the warning light failing to illuminate when the handbrake is engaged, or remaining lit permanently when the brake is released - both of which can mask genuine braking system faults or cause MOT failure. Correct replacement ensures the warning circuit operates as intended by the factory electrical system. Key Features Direct-fit replacement for the original handbrake warning lamp switch position Restores correct operation of the handbrake warning indicator on the instrument cluster Specified for Defender electrical systems from chassis number 7A000001 onwards When replacing this switch, inspect the wiring connector for corrosion or damaged terminals, which are a common cause of intermittent warning light faults Vehicle Fitment This switch fits the Land Rover Defender (2007 onwards), specifically vehicles from chassis number 7A000001, covering the handbrake warning lamp circuit within the electrical system. Not sure about fitment? Feel free to get in touch at [email protected]