GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Front Seat


Object Number: 695315  Size: LF
(1)Driver Seat Belt Buckle With Seat Belt Switch (Passenger Seat Similar)
(2)Driver Seat (Passenger Seat Similar)
(3)Driver Seat Belt (Passenger Seat Similar)
Figure 2:

Rear Seat


Object Number: 695307  Size: MF
(1)Rear Seat Center Retractor
(2)Rear Seat Center Belt
(3)Seat Belt Buckles
(4)Rear Seat Shoulder Belt
(5)Rear Seat
Figure 3:

Seat Belt Retractor Actuator


Object Number: 695317  Size: MF
(1)Seat Belt Retractor Actuator
(2)Seat Belt Guide
(3)Seat Belt Buckle Switch Connector