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 (RCDLR)
(2)Instrument Panel Cluster (IPC) Connector
(3)I/P Dimmer Switch Connector
(4)Speaker - RF Connector
(5)Fuse Block - I/P
(6)Door Jamb Switch - Driver
(7)C217
(8)Courtesy Lamp - Right Console
(9)Sunload Sensor
(10)Body Control Module Connector C3
(11)C224
(12)C223
(13)Courtesy Lamp - Left Console
(14)C200
(15)C203
(16)Instrument Panel Cluster (IPC)
(17)I/P Compartment Lamp
(18)C201
(19)Headlamp Ambient Light Sensor Connector
(20)Speaker - LF Connector
(21)HVAC Control Module Connector
(22)Radio Connector
(23)Air Temperature Sensor Assembly - Inside Connector, Distribution Duct
(24)Transfer Case Shift Control Switch Connectors C2 and C1
(25)Hazard Switch Connector
Figure 2:

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


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