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

Lower LH of Steering Column


Object Number: 520684  Size: MF
(1)Multi-Function Lever
(2)SIR Coil
(3)Ignition Lock Solenoid
(4)Passlock Connector Lead
(5)Windshield Wiper Switch Lead
(6)SIR Lead
(7)SIR Connector
(8)DLC Lead
(9)S128
(10)S127
(11)S200
(12)S205
(13)S204
(14)S423, S424
(15)LH Stalk Switch Branch
(16)S202
(17)Headlamp Switch Lead
(18)Ignition Switch Connector
(19)Wiper Switch
(20)Passlock Connector Lead
Figure 2:

Instrument Cluster


Object Number: 520550  Size: MF
(1)Photocell Jumper Connector
(2)IP Harness
(3)IP Cluster
(4)S416, S118