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

Upper Left Rear of Engine Compartment Bulkhead


Object Number: 491444  Size: LF
(1)Two (2) Stage Orifice Connector (IP Harness)
(2)C111 (IP Harness)
(1)Electronic Brake Control Module (EBCM)
(4)Brake Fluid Level Sensor
Figure 2:

Below Left Side of Instrument Panel


Object Number: 491442  Size: LF
(1)Park Lock Switch
(2)Park Lock Switch Connector