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

Center of the I/P


Object Number: 826775  Size: LF
(1)Marker Lamp Switch
(2)High Idle Switch (UF3)
(3)Traction Control Switch (NW9)
(4)Outside Rear View Mirror Switch
(5)Exhaust Brake Switch (K40)
(6)Rear Axle Driver Control Switch - Two Speed (HPZ/Automatic Transmission)
(7)Inflatable Restraint I/P Module Disable Switch
(8)Rear Air Suspension Control Valve Switch
(9)Power Take-Off (PTO) Switch
Figure 2:

Center of I/P


Object Number: 822026  Size: LF
(1)Exhaust Brake Switch
(2)High Idle Switch
(3)Marker Lamp Switch
(4)Power Take-Off Switch
(5)Inflatable Restraint I/P Module Disable Switch