GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Regal 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Antilock Brake System Schematics
Figure 1:

Power, Ground and Serial Data
Object Number: 2179878 Size: FS
Figure 2:

Wheel Speed Sensors
Object Number: 2179881 Size: FS
Figure 3:

Steering Angle and Rotation Rate Sensor


Object Number: 2179883 Size: FS