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

LF Frame (JL4)


Object Number: 1357599  Size: MF
(1)Master Cylinder Reservoir
(2)Precharge Pump
(3)Frame
Figure 2:

Frame and Underbody


Object Number: 1651182  Size: LF
(1)Wheel Speed Sensor (WSS) - Left Rear (JL4)
(2)Rotor - Left Rear
(3)Rotor - Left Front
(4)Wheel Speed Sensor (WSS) Connector - Left Front
(5)Electronic Brake Control Module (EBCM)
(6)Brake Pressure Differential Switch (Light Duty)
(7)Floor Panel - Right Front
(8)Yaw and Lateral Acceleration Sensor (JL4)
(9)Wheel Speed Sensor (WSS) Connector - Right Front
(10)Rotor - Right Front
(11)Rotor - Right Rear
(12)Wheel Speed Sensor (WSS) - Right Rear (JL4)
Figure 3:

Lower Left of the I/P (JL4)


Object Number: 1359051  Size: MF
(1)Steering Wheel Speed/Position Sensor
(2)Steering Column Jacket Assembly
Figure 4:

Center of the I/P


Object Number: 1357403  Size: MF
(1)Tow/Haul Switch
(2)Traction Control Switch (JL4)
(3)Inflatable Restraint I/P Module Disable Switch (Heavy Duty)
(4)Blower Motor Switch - Auxiliary (C36)