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

Instrument Panel-Left Rear Top


Object Number: 850358  Size: LF
(1)Instrument Cluster
(2)Instrument Cluster Connector
(3)C214-I/P Side
(4)C214-Headliner Side
(5)Instrument Cluster Brace
(6)Instrument Panel
Figure 2:

Rear of the Engine (4.3L)


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

Rear of the Engine (4.8, 5.3, 6.0L)


Object Number: 774474  Size: LF
(1)Engine Oil Pressure (EOP) Sensor
(2)Camshaft Position (CMP) Sensor
(3)Camshaft Position (CMP) Sensor Connector
Figure 4:

Rear of the Engine (8.1L)


Object Number: 1373405  Size: LF
(1)G104
(2)Engine
(3)Engine Oil Pressure (EOP) Sensor Connector
(4)Ground Strap
(5)Crankshaft Position (CKP) Sensor Connector
(6)G103
Figure 5:

Left Side of the Engine (Diesel)


Object Number: 1372696  Size: LF
(1)Glow Plug 2
(2)Fuel Injector 2
(3)Fuel Injector 4
(4)Glow Plug 4
(5)Fuel Injector 6
(6)Glow Plug 6
(7)Fuel Injector 8
(8)Glow Plug 8
(9)Engine Oil Pressure (EOP) Sensor
(10)Engine Oil Level Switch
Figure 6:

Right Side of the Engine (8.1L)


Object Number: 1398841  Size: LF
(1)Auxiliary Battery Relay Connector (TP2)
(2)A/C Low Pressure Switch Connector
(3)Manifold Absolute Pressure (MAP) Sensor
(4)Engine Coolant Temperature (ECT) Sensor
(5)C149
(6)S157
(7)Coolant Level Switch Connector
(8)S160
(9)Throttle Actuator Control (TAC) Motor Connector C1
(10)C153
(11)A/C Compressor Clutch Connector
(12)A/C Refrigerant Pressure Sensor Connector
(13)Knock Sensor (KS) - Bank 2
(14)Engine Oil Level Switch Connector
(15)Starter Solenoid Power
(16)Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Figure 7:

Right Side of the Engine (4.8, 5.3, and 6.0L)


Object Number: 1402457  Size: LF
(1)Manifold Absolute Pressure (MAP) Sensor Connector
(2)S102
(3)Auxiliary Battery Relay Connector (TP2)
(4)Evaporative Emission (EVAP) Canister Purge Soleniod
(5)Throttle Actuator Control (TAC) Connector
(6)Coolant Level Switch Connector
(7)Intake Air Temperature (IAT)/ Mass Air Flow (MAF) Sensor Connector
(8)A/C Refrigerant Pressure Sensor Connector
(9)A/C Compressor Clutch Connector
(10)A/C Low Pressure Switch Connector
(11)Engine Oil Level Switch Connector
(12)Camshaft Position (CMP) Sensor Connector
(13)Engine Oil Pressure (EOP) Sensor Connector
Figure 8:

Top of the Engine (Diesel)


Object Number: 1372697  Size: LF
(1)Fuel Heater
(2)Fuel Filter
(3)Water In Fuel (WIF) Sensor
(4)Fuel Pressure Sensor
(5)Fuel Temperature Sensor
(6)Glow Plug Controller
(7)BARO Sensor
(8)Boost Pressure Sensor
(9)Fuel Pressure Regulator
(10)Fuel Injection Control Module (FICM)
(11)Exhaust Gas Recirculation (EGR) Valve
Figure 9:

Fuel Tank - Primary


Object Number: 1453751  Size: LF
(1)Fuel Pump and Sender Assembly - Primary Connector (Gas)/Fuel Level Sensor - Primary Connector (Diesel)
(2)Fuel Pump and Sender Assembly - Primary (Gas)/Fuel Level Sensor - Primary (Diesel)
Figure 10:

Fuel Tank - Secondary


Object Number: 1372699  Size: LF
(1)Fuel Pump and Sender Assembly - Secondary (Gas)/Fuel Level Sensor - Secondary (Diesel)
(2)Fuel Pump (Diesel Only)

Front Side of the Instrument Panel


Object Number: 1694851  Size: MF
(1)Tire Pressure Monitoring System Gage
(2)Tire Pressure Monitoring System Switch Panel
(3)Power Take Off
(4)24 Voltmeter Gage
(5)Air Filter Restriction Gage
(6)Fiberglass Cap Dome Lamp Switch
(7)Blackout (B/O) Lighting Switches