Question about 2004 Chevrolet TrailBlazer

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I have recently changed the cluster on my 2004 Chevy Trailblazer but it's asking me for a code, how can i find that code and how do i input it in order to get the gauges working?

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Hello and welcome. the dash cluster has a internal processor just like a home computer. the cluster has to be programmed with software for it to function correctly. programming requires a GM tech 2 scan tool, a service programming system and access to GM software. any GM dealer can program the cluster, it will cost between $50.00 and $100.00 to have it programmed

Posted on Sep 11, 2010

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