3. Wire control box- paul-ryan.info
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Disconnect the main brake-light feed wire from the brake lights. Refer to the kit, and connect the appropriate control box wire to this feed wire. Then cut the wire running between the two brake lights and join the two loose ends to the two grey or orange wires from the control box.

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Fitting a brake light warning system

Brake lights are a vital warning signal to other road-users and a legal requirement, so you need...