1998 gmc sierra 2500 7.4

Asked by Jan 21, 2016 at 11:36 AM about the 1998 GMC Sierra 2500 2 Dr K2500 SL 4WD Extended Cab LB HD

Question type: Maintenance & Repair

Speedo don't work just sits at 100 help?

3 Answers

43,085

There is a speedometer sensor that may be bad, I looked it up, but couldn't tell you where it is.

Yea that what I guessed but I can't find where I can get one nor where it is

10,360

call your local autoparts store or dealer service department. they can usually tell you the location of parts. There should be a code in the computer if the vss is bad. It is also possible that your gauge cluster is at fault. they can be rebuilt. If that turns out to be the case, there are numerous places online to send your cluster. they aren't hard to remove. I have personally used a service in Owensboro Kentucky. chevyspeedo.com. good luck.

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