GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2004 🢒 Bonneville 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Antilock Brake System Component Views
Figure 1:

Antilock Brake - Front
Object Number: 786671 Size: LF
(1)Traction Control Switch (w/NW9)
(2)Steering Column
(3)Steering Wheel Position Sensor
(4)Wheel Speed Sensor (WSS) - LF (RF Similar)
(5)Electronic Brake Control Module (EBCM)
(6)Brake Pressure Modulator Valve (BPMV)
Figure 2:

Antilock Brake - Rear
Object Number: 786769 Size: LF
(1)Lateral Accelerometer Sensor
(2)Fuse Block - Rear
(3)Wheel Speed Sensor (WSS) - RR (LR Similar)
(4)Yaw Rate Sensor