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

Front of Engine Compartment (Except L66)


Object Number: 1803483  Size: LF
(1)Ambient Air Temperature Sensor (DH3)
(2)Cooling Fan
(3)Daytime Running Lamps (DRL) Resistor
(4)G101
(5)SP101
Figure 2:

Front of Engine (Except L66)


Object Number: 1814210  Size: LF
(1)Powertrain Control Module (PCM)
(2)Transmission Control Module (TCM)
(3)Crankshaft Position (CKP) Sensor
(4)Engine Oil Pressure (EOP) Switch
(5)Knock Sensor
(6)Starter
(7)A/C Compressor Clutch
(8)Starter Generator
Figure 3:

Rear Engine View (L66)


Object Number: 1760279  Size: LF
(1)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
(2)Splice Pack SP113
(3)C102
(4)Powertrain Control Module (PCM)
(5)Rocker Arm Oil Control Solenoid Pigtail Connector
(6)C103 (Crankshaft Position (CKP) Sensor Pigtail)
(7)Rocker Arm Oil Control Solenoid
(8)Engine Oil Pressure (EOP) Switch
(9)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
(10)Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
(11)Splice Pack SP114
Figure 4:

Instrument Panel Cluster (IPC) - HP7


Object Number: 1854923  Size: LF
(1)IPC
(2)Start and Charge Indicator
Figure 5:

Instrument Panel Components


Object Number: 1781191  Size: LF
(1)Instrument Panel Cluster (IPC)
(2)Windshield Wiper/Washer Switch
(3)I/P Dimmer Control
(4)Hazard Switch
(5)Inflatable Restraint Front Passenger Presence System (PPS) Indicator
(6)Fog Lamp (T96) or Traction Control Switch (NW9)
(7)Ambient Light Sensor
(8)Inflatable Restraint I/P Module
(9)HVAC Control Module
(10)Cigar Lighter (DT4)
(11)Window Switch - Passenger
(12)Heated Seat Switches
(13)Window Switch - Driver
(14)Outside Rearview Mirror Switch (D22/DG7)
(15)Radio
(16)Steering Wheel Control Switch - Right (Radio)
(17)Inflatable Restraint Steering Wheel Module
(18)Steering Wheel Control Switch - Left (Cruise Control)
(19)Turn Signal/Multifunction Switch
Figure 6:

Fuel Tank Components


Object Number: 1803057  Size: LF
(1)Wheel Well - RR
(2)Fuel Tank Pressure (FTP) Sensor
(3)Fuel Pump and Sender Assembly - Primary
(4)Fuel Tank
(5)Fuel Pump and Sender Assembly - Secondary
(6)Evaporative Emissions (EVAP) Canister
(7)Evaporative Emissions (EVAP) Canister Vent Solenoid