WARNING: This page is about a different car, the 2004 Pontiac Sunfire, 2004 Chevrolet Classic, and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Input Speed Sensor
Courtesy of GENERAL MOTORS CORP.
Remove the wiring harness connector at the input speed sensor (46).
Remove the input speed sensor bolt (15) and the input speed sensor (46).
Remove the wire retainer clip bolt (15) and retainer clip.