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

Right Side of Engine Compartment


Object Number: 409956  Size: MF
(1)Cruise Control Module
Figure 2:

Below the Left Side of the IP, Near the Steering Column


Object Number: 409957  Size: LF
(1)Cruise Control Brake Switch
(2)Dash Harness
(3)Brake Switch
(4)Brake Pedal