The bulb for an automobile vehicle lamp includes a body having a housing making at least one compartment for housing an electronic card on which is mounted at least one light-emitting diode, and an end-piece, connected to the housing. The end-piece is laid out for defining a cap able to cooperate with a socket for a bulb of the wedge base T10 type. The bulb includes an electric connection for the light-emitting diode to an electric circuit of the lamp. The body and electric connection are defined by independent parts coupled together and including additional fittings.

A motor vehicle lighting and/or signaling assembly including: a lighting module and an adapter that can be placed and retained in position in a housing of support means of an optical collector, and separate means for pressing the adapter against the support means of the module in a first direction and for adjusting the adapter in the housing of the support means in a second direction other than the first direction, these pressing and adjustment means being carried by the module and/or by the adapter. The invention further concerns the associated adapter and the associated module in this lighting and/or signaling assembly.

A light module for a lighting apparatus of a vehicle having a reflector body, a light generating unit having at least one light source, a carrier on which the light generating unit is arranged. The light generating unit is replaceably arranged on the light module. The reflector body has at least one reference surface and the light generating unit has at least one locating surface. The locating surface can be brought to rest against the reference surface during insertion of the light generating unit into the light module in order to create a precisely positioned arrangement of the light generating unit on the reflector body.

An optical module for a motor vehicle lighting and/or signaling device, having an optical deflection element, a support to which the optical deflection element is fixed, the support comprises adapter fixing means capable of fixing an adapter to which a light source is fixed, and wherein the first optical deflection element comprises adapter indexing means arranged so as to be capable of positioning this adapter relative to the first optical deflection element on two separate intersecting axes.