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

LR of the Engine Compartment


Object Number: 828170  Size: MF
(1)Brake Fluid Level Switch Connector
(2)Chassis Harness
(3)Master Cylinder
Figure 2:

Lower Left Side of the I/P


Object Number: 820122  Size: LF
(1)I/P Harness
(2)Park Brake Switch Connector
(3)Relay Block - Body - C1
(4)Tab
(5)Relay Block - Body
(6)Parking Brake Assembly