Has anyone bought one of these and if so how did it work for you. http://www.ebay.com/itm/GM-OBD1-Scanner-Cable-Software-USB-to-12-pin-ALDL-direct-GM-OBDI-/111245393571?hash=item19e6bdfea3&item=111245393571&pt=Motors_Automotive_Tools&vxp=mtr