WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
Remove the wiper motor electrical connector.
Remove the cover screws.
Remove the cover.
Remove the circuit board and terminal module by lifting up on the terminal.
Fig 1: Removing Circuit Board & Terminal Module By Lifting Up On Terminal