in each of fig4 6 7 and 8 wall sections 60 and 66 are each joined to side wall 70 while wall sections 64 and 68 are each joined to an opposite side wall 72 preferably the upper end of adapter body 56 is provided with an integrally formed laterally extending flange portion 74 the under surface 76 of which as shown in fig2 rests atop cooperating upper surface means 78 of turn signal switch housing means 32 a second lower disposed flange or abutment portion 80 is preferably integrally formed with body 56 and the upper surface 82 thereof is adapted to coact with means associated with switch housing 32 in a manner to be described even though the adapter body 56 may be constructed in any suitable manner in the preferred embodiment shown the adapter body 56 is integrally molded of plastic material such as for example thermoplastic carbonate linked polymers as illustrated in fig7 and 8 an annular recess 84 is formed generally in the upper surface of body 56 along with a generally centrally located upwardly extending member 86 which thereon defines a first lower relatively enlarged spring locator portion 88 and an upper relatively smaller diameter pivot or journal portion 90 as shown in each of fig5 and 7 the upper end of pivot portion 90 is preferably closely received within a cooperating aperture or recess 92 formed in the underside of a bridging like cover member or support 94 although.