housing 2 which mounting can be bent from its position of rest when the illuminating element is assembled moreover housing 2 has on its second transverse wall 10 a recess 19 through which the illuminating element can be threaded when mounted in receiving region 14 fig1 c shows an enlarged representation of the second transverse wall 10 with recess 19 on the outside of the second transverse wall 10 are formed above recess 19 two retaining elements 20 with which an exact position of the illuminating element can be established in receiving region 14 when assembling the illuminating element in illuminating module 1 fig2 a shows illuminating module 1 according to fig1 a with a second light conductor 21 mounted in receiving region 14 and fig2 b shows the second light conductor 21 the second light conductor 21 has a rod shaped design and has a light coupling surface 22 an end face 23 opposite light coupling surface 22 and a light uncoupling surface 24 arranged at right angles to light coupling surface 22 or end face 23 the rear surface 25 of the second light conductor 21 opposite light uncoupling surface 24 has a curved design furthermore the second light conductor 21 is divided into a light supply region 26 and a light discharge region 24 wherein the second light conductor 21 has a first step 28 between both these regions 26 27 then on light supply region 26 a first step 28 and perpendicular to this a second step 29 whereby the second light.