GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Century 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Shift Lock Control Component Views
Figure 1:

Steering Column
Object Number: 327480 Size: LF
(1)Automatic Transmission Shift Lock Control Solenoid (BTSI)
Figure 2:

Center of Floor Console
Object Number: 593538 Size: LF
(1)Performance Shift Switch
(2)Automatic Transmission Control Position Indicator Bulb
(3)A/T shift Lock Control Switch (Regal)
(4)C325
Figure 3:

Right Side of Instrument Panel - Rear
Object Number: 855481 Size: LF
(1)Park Lamp Relay
(2)Brake to Shift Relay
(3)P100
(4)Fuse Block-I/P