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

6-Way Power Seats


Object Number: 418994  Size: FS
Power Seat Systems Components
Power Seats Circuit Description
Power Distribution Schematics
Ground Distribution Schematics
4-Way Power Seats
Figure 2:

4-Way Power Seats


Object Number: 418996  Size: FS
Power Seat Systems Components
Power Seats Circuit Description
Power Distribution Schematics
Ground Distribution Schematics
6-Way Power Seats