Any lighted lamp or device upon a motor vehicle other than headlamps, spotlamps, signal lamps, or auxiliary driving lamps, warning lamps which projects a beam of light of an intensity greater than 300 candlepower shall be so directed that no part of the beam will strike the level of the roadway at a distance of more than 75 feet from the vehicle.
(Amended by Stats. 1965, Ch. 1313.)