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

L26, L32


Object Number: 1647719  Size: FS
Master Electrical Component List
Automatic Transmission Shift Lock Control Description and Operation (with 3.8L)
Control Module References
LS4
L26/L32
G101, G112 (L26/L32), and G113 (L26/L32)
G200
Figure 2:

LS4


Object Number: 1647720  Size: FS
Master Electrical Component List
Automatic Transmission Shift Lock Control Description and Operation (with 5.3L)
Control Module References
Shift Lock Control Schemtaics
LS4
G102, G112 and G201
G200