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

Controller Area Network and Data Link Connectors


Object Number: 953469  Size: LF
(1)Data Link Connector (DLC)
(2)Controller Area Network (CAN) Connector
Figure 2:

I/P Harness


Object Number: 953447  Size: LF
(1)Fuse Block - Underhood (Secondary)
(2)Blower Motor Resistor Assembly (C40/C60)
(3)C207 (30 cavities)
(4)Inflatable Restraint I/P Module (AK5)
(5)Fuse Block - I/P - 1
(6)Fuse Block - I/P - 2
(7)Air Brake Pressure Gage Lamp (JE4), Differential Lock Switch Lamp (HNB/HPL/HPN), Inter-Axle Differential Lock Switch Lamp (Tandem Axle), Rear Axle Driver Control Switch Lamp - Two Speed (HR1/Automatic Transmission)
(8)HVAC Control Assembly (C40/C60)
(9)Turn Signal/Hazard Flasher Module
(10)Daytime Running Lights (DRL) Diode
(11)Instrument Panel Cluster (IPC)
(12)Headlamp Switch
(13)Daytime Running Lights (DRL) Module
(14)SP203 (12 cavities)
(15)C201 (48 cavities)
(16)Inflatable Restraint Steering Wheel Module (AJ3/AK5)
(17)C211 (22 cavities)
(18)C215 (8 cavities)
(19)C150 (4 cavities)
(20)Accelerator Pedal Position (APP) Sensor
(21)Radio
(22)Serial Data Gateway (SDG)
(23)Driver Information Center (DIC)
(24)Engine Control Module (ECM)
(25)C126 (40 cavities)
(26)C109 (40 cavities)
(27)C200
(28)C118
(29)G102