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

IP Wiring Harness Composite View


Object Number: 406299  Size: LF
(1)Remote Control Door Lock Receiver
(2)Instrument Cluster Connector
(3)IP Dimmer Switch Connector
(4)Radio Speaker Connector, RF
(5)IP Fuse Block
(6)Side Door Jamb Switch, RF
(7)C217
(8)Courtesy Lamp, RH Console
(9)Sun Load Temperature Sensor
(10)Body Control Module Connector  C3
(11)C224
(12)C223
(13)Courtesy Lamp, LH Console
(14)C200
(15)C203
(16)Instrument Panel (IP)
(17)IP Compartment Lamp
(18)C201
(19)Headlamp Ambient Light Sensor Connector
(20)Radio Speaker Connector, LF
(21)Electronic Climate Control (ECC) Module Connector
(22)Radio Connector
(23)Inside Air Temperature Sensor Connector (Distribution Duct)
(24)Trasnfer Case Control Switch Connectors  C2 and  C1
(25)Hazard Switch Connector
Figure 2:

Camshaft Position (CMP) sensor, Knock Sensor (KS), and Oil Pressure Switch


Object Number: 212680  Size: MF
(1)Camshaft Position (CMP) Sensor
(2)Engine Oil Pressure Gauge Sensor
(3)Knock Sensor (KS)