GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2004 🢒 Grand Prix 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Hydraulic Brake Component Views
Figure 1:

Rear of the Engine Compartment
Object Number: 1203232 Size: LF
(1)Brake Fluid Level Switch
(2)Brake Fluid Pressure Sensor (JL4)
(3)Brake Pressure Modulator Valve (BPMV)
(4)Electronic Brake Control Module (EBCM)
Figure 2:

Left Front of the Passenger Compartment
Object Number: 1203234 Size: LF
(1)Park Brake Switch