Been lurking on this forum for a while and have really enjoyed it! I successfully tuned my '94 C4 with TunerPro RT and am now ready to tackle my 2008 Hummer H3 Alpha. I am not exactly sure if this is the appropriate place for the question but I need the right cable to interface with my OBDII port. I used the cable from OBDAllInOne for the Corvette but not sure about the Hummer.