This charging cable is marked GM and came with the 2013 Chevy Volt that we no longer have. It was working fine last time it was used, but we are not able to test it at the moment . The 2013 Chevy Volt Voltec Intertek Charger Level 1 EVSE J1772 EV Charging Cable is a black ABS plastic cordset designed specifically for electric, hybrid, and PHEV vehicles. With a Level 1 charging capability, this cable is suitable for charging your Chevy Volt at home or on the go. The Intertek brand ensures quality and reliability, making this charging cable a valuable accessory for any electric vehicle owner.