Where is the location of vehicle speed sensor VSS in 2003 Chevy Trailblazer?
The Vehicle Speed Sensor (VSS) on a 2003 Chevy Trailblazer is located in the transmission. It's not easily accessible without removing the transmission or at least a significant part of the transmission's housing. You'll likely need to consult a repair manual specific to your Trailblazer's year and transmission type (automatic or manual) for precise location instructions and diagrams.