South Australian Numbered Regulations South Australian Numbered Regulations(1) Front clearance lights may only be fitted to a vehicle that is at least 1.8 metres wide.
(2) A pair of front clearance lights must be fitted to a motor vehicle that is at least 2.2 metres wide, or a prime mover.
(3) The centre of a front clearance light must be—
(a) not over 400 millimetres from the nearer side of the vehicle; and
(b) if the vehicle was built after June 1953—
(i) at least 750 millimetres higher than the centre of any low-beam headlight fitted to the vehicle; or
(ii) not lower than the top of the windscreen.
(4) However, a front clearance light may be mounted on an external rear vision mirror or a mirror support if, when the mirror is correctly adjusted, no part of the lens of the clearance light is visible to a person in the normal driving position.
(5) When on, a front clearance light must—
(a) show a white or yellow light visible 200 metres from the front of the vehicle; and
(b) not use over 7 watts of power.