Overdrive does not work going at a speed of 50mph and rpm is already at 2500 waiting gas aready did trans flush n filter change was dirty but ok
Nov 2, 2012 at 12:37 AM
1996 GMC SIERRA
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could be overdrive solenoid not working, wiring harness, or bad converter
Roy
Roy
Nov 2, 2012 at 12:49 AM