This 2-wire (2-pin plug) cable is used in conjunction with an electric choke carburetor such as 80A8418 and serves as the control wire for engaging/disengaging the electrical choke. Most commonly used for (and not limited to) 90cc engines. Second most commonly used for other smaller 4-stroke automatic 50cc, 70cc, 110cc and 125cc ATVs and go karts / buggies. Often referred to as 'electric choke cable'.