A vehicle auxiliary lamp unit includes a first circuit board and an elongated light pipe. The first circuit board has a plurality of first light sources and at least one aperture. The elongated light pipe has a proximal end and a distal end. The proximal end is located by the first circuit board and arranged to receive light from a first of the plurality of first light sources. The proximal end of the elongated light pipe includes at least one locating projection that is received by the at least one aperture of the first circuit board.