Hi been trying to contact someone on here with info on tech 1 scan tool. I have bought one and would like to know what i need to be able to hook it up on vn,vp,vr,vs commodores. I also have a prolink 9000 scan tool with the early model gm cartridges. Have read the threads on here and try'd to contact 1 person but have not had a reply. Thanks to anyone that can help.