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

Engine Compartment, in the Left Side


Object Number: 154360  Size: LF
(1)Coolant Reservoir
(2)Coolant Level Switch
(3)G101
Figure 2:

Front Wheel Speed Sensors and Brake Pad Wear Sensors


Object Number: 154361  Size: LF
(1)LH Front Wheel Speed Sensor (LH shown RH similar)
(2)LH Front Brake Pad Wear Sensor (LH shown RH similar)