# The Road Vehicles Lighting Regulations 1989, Paragraph 10

Extent: E+W+S

Electrical connections–
(a) Every stop lamp fitted to–
(i) a solo motor bicycle or a motor bicycle combination first used on or after 1st April 1986 shall be operated by the application of every service brake control provided for the use of the rider;
(ii) any other motor vehicle, shall be operated by the application of the service braking system.
(b) Every stop lamp fitted to a trailer drawn by a motor vehicle shall be operated by the application of the service braking system of that motor vehicle.
11 Tell-tale:
No requirement

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Source: https://www.legislation.gov.uk/uksi/1989/1796/schedule/12/paragraph/10 (the official version)
Page: https://openlegislation.uk/road-vehicles-lighting-regulations-1989/schedule-12/paragraph-10
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.