GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2004 🢒 Alero 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Brake Warning System Schematics
Figure 1:

w/ABS
Object Number: 868096 Size: FS
Master Electrical Component List
Brake Warning System Description and Operation
w/o ABS
G103 and G105
Data Link Connector (DLC) Schematics
Figure 2:

w/o ABS
Object Number: 868005 Size: FS
Master Electrical Component List
Brake Warning System Description and Operation
w/ABS
Data Link Connector (DLC) Schematics
G103 and G105