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

Indicator Control and Wheel Speed Sensors


Object Number: 186407  Size: FS
ABS Components
VSS, TCC Signal and Brake Indicator (Gas)
Figure 2:

VSS, TCC Signal and Brake Indicator (Gas)


Object Number: 186408  Size: FS
ABS Components
VSS, TCC Signal and Brake Indicator (Diesel)
VSS, TCC Signal and Brake Indicator (Diesel)
Figure 3:

VSS, TCC Signal and Brake Indicator (Diesel)


Object Number: 186410  Size: FS
ABS Components
VSS, TCC Signal and Brake Indicator (Gas)