The 9666232680 unit is the factory-fitted “interior fuse & relay module” located under the dashboard (or behind a cover in the passenger/driver side lower dash area) for the first-generation Peugeot 208 (2012-18). It serves as the central hub for many of the vehicle’s interior low-voltage circuits (lighting, sockets, infotainment, auxiliary systems, etc.). Listings describe it as “Inner Fuse Box Relay 9666232680 Mk1 1.0 Petrol 2012-2020Z” and “inner fuse box/relay module.”
Please message me if you have any questions.