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

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


Object Number: 670110  Size: FS
Master Electrical Component List
Memory Seats Description and Operation
Seat Adjuster Memory Module, Transducers and Motors
Power Seats, Power Windows Circuit Breakers and RAP Relay
Ign ACC, RUN and RAP Bus Bar
SP201 (2.2L)
G420,G450 and S427 (Utility w/ Endgate and Crew Cab)
S313 and S419
Figure 2:

Seat Adjuster Memory Module, Transducers and Motors


Object Number: 670111  Size: FS
Master Electrical Component List
Memory Seats Description and Operation
Power, Ground, Data Link Connector (DLC) and Power Seat Adjuster Switch