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I have a 1998 gmc 1500 truck. I need a scanner/ programmier to tune the speedometer and shift patterns of the transmission and what ever else is possible.
there are 14 truck magazines on this site.. with forums just like this.. its out of my knowledge area... so i will redirect you...try this search linkhttp://www.truckinweb.com/sch/02/programmer/articles/index.html?SearchSource=Groupit will take you to a BUNCH of articles spread out in the various truck magazines on programmers...
you can get one for $39.99 at http://www.brassmonkeigh.com/store.