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

Power, Ground, Data Link Connector (DLC) and Power Seat Adjuster Switch


Object Number: 755939  Size: FS
Master Electrical Component List
Memory Seats Description and Operation
Seat Adjuster Memory Module, Transducers and Motors
POWER SEATS, POWER WINDOW Circuit Breakers and RAP Relay
POWER SEATS, POWER WINDOW Circuit Breakers and RAP Relay
Class 2 Serial Data
S313 and S419
G420, G450 and S427 - Utility and Crew Cab
Figure 2:

Seat Adjuster Memory Module, Transducers and Motors


Object Number: 755940  Size: FS
Master Electrical Component List
Memory Seats Description and Operation
Power, Ground, Data Link Connector (DLC) and Power Seat Adjuster Switch