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

Left Side of Engine Compartment (LNF)


Object Number: 1830676  Size: LF
(1)Fuel Pressure Sensor
(2)Intake Air Pressure and Temperature Sensor
(3)Brake Booster Vacuum Sensor (LNF)
(4)Brake Fluid Level Switch
(5)Brake Booster Pump Motor (LNF)
Figure 2:

Floor Console


Object Number: 1631640  Size: LF
(1)Park Brake Release Switch