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

Low Brake Fluid Warning System Components


Object Number: 154367  Size: LF
(1)Cruise Control Module (CCM)
(2)Brake Fluid Level Switch
(3)Master Cylinder Reservoir
(4)Not present
(5)Windshield Wiper Motor
Figure 2:

Brake Warning System Components


Object Number: 221257  Size: LF
(1)Park Brake Assembly
(2)Park Brake Switch