A support for light source(s) for a light module, notably for a motor vehicle, comprising a substrate with at least one zone for receiving a light source, and electrical tracks deposited on the substrate to the zone or zones for receiving light source(s), the tracks being intended to power the light source or sources. The substrate comprises at least one protruding portion of a piece with the rest of the substrate and on which the electrical tracks extend from the reception zone or zones, the portion or portions being suitable for cooperating with an electrical connector, respectively.