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

Memory Function Switch


Object Number: 492538  Size: FS
Power Seat Systems Components
Memory Seat Circuit Description
(A45 with AC9, AL2 or AM3) PWR, GND, LH Seat Switch and MSM
Handling ESD Sensitive Parts Notice
Driver Door Switch Assembly (DDSA) Internal Details (w/Memory (A45))
Data Link Connector Schematics
Handling ESD Sensitive Parts Notice
Figure 2:

(A45 with AC9, AL2 or AM3) PWR, GND, LH Seat Switch and MSM


Object Number: 492406  Size: FS
Power Seat Systems Components
Memory Seat Circuit Description
(A45 with AC9, AL2 or AM3) Front Vertical, Rear Vertical, Horizontal Motors and Position Sensors
Memory Function Switch
NAV Fuse and POWER SEAT Circuit Breaker
MEM T&T, RRLUM/ANT, and HTDST LF Fuses
MEM T&T, RRLUM/ANT, and HTDST LF Fuses
G302 - LH Front Seat
Handling ESD Sensitive Parts Notice
G302 - LH Front Seat
Figure 3:

(A45 with AC9, AL2 or AM3) Front Vertical, Rear Vertical, Horizontal Motors and Position Sensors


Object Number: 492401  Size: FS
Power Seat Systems Components
Memory Seat Circuit Description
(A45 with AC9, AL2 or AM3) Recline, Belt Tower Motors and Position SeNsors; Class 2
(A45 with AC9, AL2 or AM3) PWR, GND, LH Seat Switch and MSM
Handling ESD Sensitive Parts Notice
Handling ESD Sensitive Parts Notice
Figure 4:

(A45 with AC9, AL2 or AM3) Recline, Belt Tower Motors and Position Sensors; Class 2


Object Number: 492393  Size: FS
Power Seat Systems Components
Memory Seat Circuit Description
(A45 with AC9, AL2 or AM3) Front Vertical, Rear Vertical, Horizontal Motors and Position Sensors
Handling ESD Sensitive Parts Notice
Data Link Connector Schematics
Handling ESD Sensitive Parts Notice