Removal Procedure

Remove the 15A fuse from the sunroof fused jumper wire at the lower fuse block.
Remove the sunroof panel window garnish molding (3). Refer to GARNISH MOLDING REPLACEMENT -- SUNROOF PANEL WINDOW (ZRX/EXTREME W/ CF5) in Interior Trim.

Fig 1: Removing Fuse From Sunroof Fused Jumper Wire At Lower Fuse Block
Courtesy of GENERAL MOTORS CORP.
Disconnect the sunroof power feed connector (1) at the front header.
Remove the LF windshield pillar garnish molding.
Refer to GARNISH MOLDING REPLACEMENT -- WINDSHIELD PILLAR in Interior Trim.
Remove the LF sunshade and retainer. Refer to SUNSHADE REPLACEMENT in Interior Trim.

Fig 2: Disconnecting Sunroof Power Feed Connector At Front Header
Courtesy of GENERAL MOTORS CORP.

Important: Note the routing of the sunroof main feed wire on the body harness routed down the windshield pillar.
Cut the tie straps securing the sunroof power feed wire to the body harness.
Cut the gray connector off the old main feed wire.
Tie the old wire onto the new main feed wire in order to aid in the location of the new wire.
Pull rearward, the LF center section of the door weather seal (1).
Located underneath the instrument panel, pull the new wire (2) up through and next to the left side of the instrument panel end cap (3).

Fig 3: Removing Tie Straps Securing Sunroof Power Feed Wire To Body Harness
Courtesy of GENERAL MOTORS CORP.