Having problems with your 1998 Chevrolet Blazer ?

Took dash apart then replaced dash and now the fuel gauage,speedometer and tach don't work

Posted / edited by AnonymousUser on : 24-06-2019

Answers :

Check for a grounding wire / grounding strap.

Is the bulbs working?

As a test,ran a 14 gau wire from the common ground point on the dash to the metal ground or the battery terminal.


Check for grease on the contacts.

Pull all connectors under the dash and re-connect to rule out bad connection.


Do a quick check on the fuse box.

First, check all the fuses below the drivers side steering wheel, one of them is most likely blown out. Secondly, when you reinstalled the instrument cluster, did you make sure all the plugs were fit secure into the bach of the cluster? If one of them is loose or not plugged in it will prevent it from working. If everything checks out and it still won't work I would go to the local junk yard on a 1/2 off day (3-4 days a month are half off) and get the exact replacement for only $15 from another chevy Blazer, I see them in the junk yard all of the time or look on ebay for a cheap replacement, click on the link to view the least expensive replacement currently on ebay:
Repair Help & Product Troubleshooting for 1998 Chevrolet Blazer

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