It all depends on if you are going to replace the cluster or only the $12 stepper motor that drives the speedometer needle. It takes longer to replace the individual stepper motor but it will save you hundreds of dollars.
For complete instructions visit our enthusiasts forum at www.trailvoy.com
You have to replace the cluster. Then the dealer must reprogram it with the appropriate mileage. You can find vendors on EBay. www.trailvoy.com Trailblazer enthusiasts forum
its on the tailshaft of the transmission
The 2003 Trailblazer speed sensor is mounted on the transmission. It is on the passenger side of the output end.
The speed limit in any of the states!
A eaton fuller 18 speed roadranger gearbox is used
What would make your speed odometer stop working after putting an alternator on? 2005 Chevy Malibu
A vehicle speed sensor is the culprit
If both the odometer and the speedometer do not work it may be the speed sensor in the transmission is bad. If only the odometer does not work it is probably a bad cluster.
Failure of the stepper motor that moves the needle. It can be replaced if you are mechanically inclined. We have instructions at our enthusiasts forum www.trailvoy.com
who should i see about a recall on 2005 chevy trailblazer for faulty fuel gauge and not working speed gauge who can i call about this for a recall was bought used
Check the cable from the transmission, probably broken.
Have your mechanic check the speedometer cable connections. They no longer use a cable. It is electronic. If the speedometer is not working but the odometer is, the problem is in the dash cluster. If both the speedometer and odometer are not working, the speed sensor in the transmission may be at fault.