GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Express 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Antilock Brake System Schematics
Figure 1:

Power, Ground, Serial Data and Indicators (JL9)
Object Number: 2079888 Size: FS
Figure 2:

Speed Signals (JL9)
Object Number: 2079939 Size: FS
Figure 3:

Power, Ground, Serial Data, Indicator and Traction Control Switch (JL4)
Object Number: 2079942 Size: FS
Figure 4:

Speed Signals (JL4)
Object Number: 2079946 Size: FS
Figure 5:

Stabitrak Steering Wheel Position Inputs and Yaw Rate Lateral Accelerometer Sensor (JL4)
Object Number: 2079947 Size: FS