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

Center Console


Object Number: 374760  Size: LF
(1)A/T Shift Lock Actuator Electrical Connector
(2)A/T Shift Lock Actuator
(3)Inline Harness Connector
(4)PRNDL Bulb
(5)S374
(6)Performance Shift Connector
Figure 2:

Steering Column


Object Number: 327480  Size: LF
(1)Automatic Transmission Shift Lock Control Actuator (BTSI)