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

Instrument Panel Assembly (Left Side)


Object Number: 326547  Size: MF
(1)Hazard Switch
(2)Rear Defogger Switch
(3)Overdrive Switch
(4)Radio
(5)Junction Block 2
(6)OBD II DLC
(7)Junction Block 1
(8)Multifunction Alarm Module
(9)Outside Rearview Mirror Controller
(10)IP Lamp Dimmer
(11)Ignition Switch
(12)Junction Block 3
Figure 2:

Engine Compartment View


Object Number: 326378  Size: LF
(1)Spark Plug 4
(2)Ignition Coil 1
(3)Ignition Coil 2
(4)Brake Pressure Modulator Valve (BPMV)
(5)Data Link Connector (Underhood)
(6)Ambient Light Sensor
(7)Intake Temperature (IAT) Sensor
(8)Fuse and Relay Block 1
(9)Fuse and Relay Block 2
(10)Battery
(11)Throttle Position (TP) Sensor (In Back)
(12)Throttle Linkage
(13)Horn
(14)Camshaft Position (CMP) Sensor Right Rear of Cylinder Head
(15)Ambient Air Temperature Sensor (Tachometer Only)
(16)Auxiliary Radiator Fan Motor (Attached to Rear of Radiator) (With A/C Only)
(17)Knock Sensor
(18)A/C Compressor Clutch (Below Generator)
(19)Refrigerant Pressure Switch (With A/C Only)
(20)Fuse and Relay Block 3
(21)Generator
(22)A/C Accumulator (With A/C Only)
(23)Windshield Washer Pump
(24)Windshield Wiper Motor
(25)Cruise Control Servo
(26)Spark Plug 1
(27)Spark Plug 2
(28)Spark Plug 3
Figure 3:

Left Side Engine View


Object Number: 326366  Size: MF
(1)Idle Air Control (IAC) Valve
(2)Park / Neutral Position (PNP) Switch
(3)Oil Pressure Switch
(4)Starter
Figure 4:

Exhaust Sensors


Object Number: 326381  Size: MF
(1)Vehicle Speed Sensor (VSS)
(2)Heated Oxygen Sensor 1 (HO2S1)
(3)Heated Oxygen Sensor 2 (HO2S2)
Figure 5:

Battery View


Object Number: 326374  Size: MF
(1)Data Link Connector (Underhood)
(2)Fuse and Relay Block 1
(3)Fuse and Relay Block 2
(4)Battery
(5)Intake Air Temperature (IAT) Sensor
Figure 6:

Generator View


Object Number: 326363  Size: MF
(1)Generator
(2)Crankshaft Position (CKP) Sensor
(3)Heated Oxygen Sensor 1(HO2S1)