Question about 2006 Pontiac Grand Prix
I have no other problems in the instrument panel cluster, the self test diag works except for the speedometer which sticks at the beginning on start up or goes all the way over and does not return back to zero. During driving it doesn't show mph/kph. Please Help!!!
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Posted on Jan 02, 2017
SOURCE: 1991 Volvo 740GL Speedometer
I remove two panel underneath the steering column. The first panel is removed using a 10 mm socket. The second panel is removed using a torx socket (can't remember the size). Removing these two panels gives you room to get to the clip on speedomter. Looking at the speedometer, you should see two rectangular holes on each side of the speedometer cover. I use a awl to push in the clip (you could use a screwdriver). Looking underneath the dash, you should be able to see the clip you are pushing on with the awl. I take my 2nd awl and put it behind the clip. I get the left side to release. One the speedometer cover releases, you can see the speedometer. You will see the 4 torx screws (t20) and two smaller clips holding the speedometer. All that is left is the wiring. (I take a sharpie pen and mark one of my wire locations on the speedometer. I am not sure what it does. It is a single wire.)
Posted on Aug 20, 2008
SOURCE: 2003 F350 Intrument Cluster
If everything keeps going like that then it sounds like its a problem with the onboard computer. The computer controls all the guages and would explain why they all fail at the same time.
Posted on Oct 20, 2008
SOURCE: Speedometer Conversion
personally i find that that is a waste of time any money for the reason that he should know or be taught the conversions such as 60 mph to 100 km/h and the basics and it probable would not be cheap if you want to get it done right.
Posted on Oct 22, 2008
GM has a problem with clusters but the government nor GM will do a recall on the clusters. Check ur local yellow pages for a Speedometer fix company , if u cant find one hit me back and I can find one for you.. In Houston we pay $250 for the service.
Posted on Aug 09, 2009
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