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

6-Way Power
Object Number: 1907228 Size: FS
Master Electrical Component List
Power Seats System Description and Operation (Front Seat)
Control Module References
Module Power, Ground, Serial Data, and Memory Switch (AN3)
BCM, COOLED SEATS, CTSY, DDM, DIM, DSM, LBEC 1, MBEC 1, REAR HVAC, and RT STOP TRN Fuses and DRIVER SEAT 2, PASS SEAT 1, and RT DOORS Circuit Breakers
G303, G304, and G305
Figure 2:

Module Power, Ground, Serial Data, and Memory Switch - AN3
Object Number: 1907230 Size: FS
Master Electrical Component List
Memory Seats Description and Operation
Control Module References
Seat Adjuster Switches - AN3
6-Way Power
BCM, COOLED SEATS, CTSY, DDM, DIM, DSM, LBEC 1, MBEC 1, REAR HVAC, and RT STOP TRN Fuses and DRIVER SEAT 2, PASS SEAT 1, and RT DOORS Circuit Breakers
BCM, COOLED SEATS, CTSY, DDM, DIM, DSM, LBEC 1, MBEC 1, REAR HVAC, and RT STOP TRN Fuses and DRIVER SEAT 2, PASS SEAT 1, and RT DOORS Circuit Breakers
Data Communication Schematics
G303, G304, and G305
Figure 3:

Seat Adjuster Switches - AN3
Object Number: 1907232 Size: FS
Master Electrical Component List
Memory Seats Description and Operation
Control Module References
Motors and Position Sensors - AN3
Module Power, Ground, Serial Data, and Memory Switch (AN3)
AN3
Figure 4:

Motors and Position Sensors - AN3
Object Number: 1907234 Size: FS
Master Electrical Component List
Memory Seats Description and Operation
Control Module References
6-Way Power - HP2
Seat Adjuster Switches - AN3
AN3
Figure 5:

6-Way Power HP2
Object Number: 2001800 Size: FS
Master Electrical Component List
Power Seats System Description and Operation (Front Seat)
Control Module References
Motors and Position Sensors - AN3
BCM, COOLED SEATS, CTSY, DDM, DIM, DSM, LBEC 1, MBEC 1, REAR HVAC, and RT STOP TRN Fuses and DRIVER SEAT 2, PASS SEAT 1, and RT DOORS Circuit Breakers
G303, G304, and G305