An exterior assembly component for a vehicle and a manufacturing method thereof, where the component is in the form of an exterior mirror, door handle, door sill, skirt or similar, the component including a light module having at least one lamp emitting visible light toward the outside, and a plug to supply the lamp with electrical energy, where the light module represents a separate component of the assembly component which can be mounted on the assembly component and wherein the plug is designed as a single part with the a case of the light module.