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

Lower, Left Side of IP on Brake Pedal Bracket


Object Number: 620957  Size: LF
(1)Stop Lamp Switch/TCC Switch C2
(2)Stop Lamp Switch C1
(3)Cruise Control Release Switch
Figure 2:

Upper, Left side of Engine Compartment


Object Number: 850740  Size: LF
(1)Cruise Control Module (CCM)