Posted 5/21/2009 15:00 (#719984 - in reply to #719874) Subject: RE: Striker782 - I have a dumb question?
southern Alberta
The General had trouble with some 04 and 05 trucks. The speedo dash unit would crapout and do exactly as you describe. I received a recall/notice to fix letter about 2 yrs ago. I guess talk to your local dealer, before GM closes them down.