Where is the speed sensor on a 2002 trailblazer?

On a 2002 Chevrolet Trailblazer, the speed sensor is typically located on the transmission. Specifically, it is mounted on the side of the transmission case and is connected to the vehicle's wiring harness. To access it, you may need to lift the vehicle and remove any necessary components for better visibility and access. Always consult a repair manual for detailed instructions specific to your vehicle.