Hey guys need some help my 96 jimmyss spedo is off it neaver goes under 10mph how do i recalibartd it? It was fine untilll i replaced the battery?

 

Maybe the vehicle speed sensor needs to be replaced?

I know never trailblazer have issues with the stepper motors too...but i think that's only on the newer ones

 

where is the speed sensor located?

 

The VSS or Variable Speed Sensor, is an Electrical pulse sensor that sends a signal to the DRAC (Digital Ratio Adapter Control) informing it of the vehicals speed. From there signals are sent to the Power Train Control Module, and to the Cruise Control. If your Speedometer is not working, 99% of the time its caused by a defective VSS. On 2WD models, the VSS is located on the tailshaft of the Transmission, drivers side. On 4WD models, the VSS is located on the tailshaft of the Transfer Case, drivers side. You will need a 1" socket to remove the sensor.