GM Service Manual Online
For 1990-2009 cars only

Application

GM SPO Group Number

Brake Pressure Modulator Valve (BPMV)

4.730

Electronic Brake (and Traction) Control Module (EBCM/EBTCM)

4.720

Traction Control Switch

5.511

Stoplamp/BTSI Switch

2.447

Wheel Speed Sensors

4.710