A mirror assembly includes a housing, an angularly adjustable power pack, wires for supplying power and mirror angle control, an electrochromic mirror subassembly including a heater, and a turn signal device. The components include individual connectors that plug into a multi-prong connector on the bundle...http://www.google.de/patents/US7408694?utm_source=gb-gplus-sharePatent US7408694 - Rearview mirror constructed for efficient assembly
