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

Front Crossmember, Rear View


Object Number: 690321  Size: MF
(1)Brake Pressure Modulator Valve -- RF
(2)Brake Pressure Modulator Valve -- LF
Figure 2:

Wheel Speed Sensor (WSS) -- Right Front


Object Number: 690322  Size: SF
(1)Wheel Speed Sensor (WSS) -- RF
Figure 3:

Wheel Speed Sensor (WSS) -- Left Front


Object Number: 690324  Size: SF
(1)Wheel Speed Sensor (WSS) -- LF
Figure 4:

Instrument Panel Harness to IP Mounted Components, Right Front View


Object Number: 689502  Size: MF
(1)Power Brake (P/B) Booster Pump Motor Relay
(2)Park Brake Pump Motor Relay
(3)Trailer Stop Lamp Relay
(4)Transmission Control Relay - MTW/MX4/Ignition Relay -- Engine Controls - L18
(5)ABS Relay Center
(6)Fuse Block 2 -- Underhood
(7)Fuse Block 1 -- Underhood
(8)C123
(9)C121
(10)Windshield Washer Fluid Pump
(11)Windshield Washer Reservoir
Figure 5:

Brake Pressure Modulator Valves (BPMV) -- Rear


Object Number: 690325  Size: MF
(1)Brake Pressure Modulator Valve -- LR
(2)Brake Pressure Modulator Valve -- RR
Figure 6:

Wheel Speed Sensors (WSS) -- Rear


Object Number: 690329  Size: MF
(1)Wheel Speed Sensor (WSS) -- LR
(2)Wheel Speed Sensor (WSS) -- RR