GM Genuine Parts Multi Purpose Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. This module receives input signals from various sensors or switches and uses them to manage the system it is connected to. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). WARNING: Cancer and Reproductive Harm