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

Shift Interlock Actuator Control


Object Number: 642047  Size: FS
Automatic Transaxle Fluid Pressure Manual Valve Position Switch
Shift Lock Control Component Views
Automatic Transmission Shift Lock Control Description and Operation
Battery Feeds
Battery Feeds
IGN 3 RR Relay, HVAC and ABS Fuses
Class 2 Serial Data Line (LH Drive) (1 of 2)
G200 and G202
G200 and G202
Figure 2:

Automatic Transaxle FLuid Pressure Manual Valve Position Switch


Object Number: 642049  Size: FS
Shift Interlock Actuator Control
Shift Lock Control Component Views
Automatic Transmission Shift Lock Control Description and Operation
G106 and G108