I have a 2002 trailblazer it was certified in nov 2013 the transmission 3 gear is now going I have a tranny used for it which would have to be installed. Selling the trailblazer with used transmission for 1800 as is. The transmission only has 90,000km on it and was bench tested earlier this mth. There are also a lot of other brand new parts that where added upon November certification, call show contact info or show contact info for questions.