ELECTRICAL CONNECTION SYSTEM FOR A VEHICLE HEADLIGHT OR LAMP AND ASSOCIATED LIGHTING DEVICE

Electrical connection system (3) and associated lighting device (1) for vehicles, comprising a plurality of electrical contacts (4) and a plurality of electrical connectors (7) carried, in an integral manner, by and projecting sideways from a flexible wiring harness (8); wherein a frame-shaped support (9) is provided with a plurality of seats (10), each housing one of the electrical connectors (7) and arranged in tandem, aligned side by side and in series, as well as having: inlet openings (15) to receive the electrical connectors (7); at least one shoulder element (18) facing the inlet openings (15); and snap retaining means (21) configured to hold the electrical connectors (7) within the seats (10) and against the shoulder elements (18).