Northern Territory Consolidated Regulations Northern Territory Consolidated Regulations(1) When on, a brake light must show a red light visible 30 metres from the rear of the vehicle.
(2) A brake light fitted to a street rod vehicle may incorporate a blue lens not over 20 millimetres in diameter.
(3) A brake light fitted to a motor vehicle must come on, if it is not already on, when:
(a) for a vehicle with 4 or more wheels or built after 1974 – a service brake is applied; or
(b) for another vehicle – the rear wheel brake is applied.
(4) Subrule (3) does not apply if the controls in the vehicle that start the engine are in a position that makes it impossible for the engine to operate.
(5) A brake light on a trailer must come on when:
(a) the brake light of the towing vehicle comes on; or
(b) a brake control on the towing vehicle, which independently activates the service brake on the trailer, is operated.
(6) A brake light may be operated by an engine brake, retarder, or similar device if the device does not interfere with the proper operation of the brake light.
(7) A street rod vehicle is a vehicle that has been modified for safe road use and that:
(a) has a body and frame that were built before 1949; or
(b) is a replica of a vehicle the body and frame of which were built before 1949.