GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Chevy C Silverado - 2WD 🢒 Body and Accessories 🢒 Body Control System 🢒 Engine Controls Component Views
Figure 1:

VCM
Object Number: 405497 Size: MF
(1)VCM Cover
(2)Vehicle Control Module (VCM)
(3)Battery
Figure 2:

Underhood Electrical Center
Object Number: 310798 Size: MF
(1)Underhood Electrical Center
(2)Forward Lamp Harness
(3)Chassis Harness
(4)Underhood Electrical Center Mounting Bracket
(5)Left Front Wheel House
(6)Left Front Inner Fender
(7)Instrument Panel Harness
(8)Engine Harness
Figure 3:

RF of the Engine Compartment Components (4.3L)
Object Number: 405657 Size: MF
(1)Air Cleaner Assembly
(2)Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Assembly
(3)Air Inlet Tube
(4)Generator
Figure 4:

Crankshaft Position (CKP) Sensor
Object Number: 235188 Size: MF
(1)Crankshaft
(2)Front Engine Cover
(3)Crankshaft Position (CKP) Sensor
Figure 5:

Crankshaft Position (CKP) Reluctor Wheel
Object Number: 212697 Size: MF
(1)Crankshaft Position (CKP) Reluctor Wheel
(2)Crankshaft
(3)Engine Block
Figure 6:

Top of the Engine Components (4.3L)
Object Number: 212698 Size: MF
(1)Throttle Position (TP) Sensor
(2)Idle Air Control (IAC) Valve
(3)Ignition Coil
(4)Evaporative (EVAP) Canister Purge Solenoid
(5)Oil Pressure Switch
(6)Knock Sensor (KS)
(7)Fuel Pressure Connection Valve
(8)Positive Crankcase Ventilation Valve (PCV)
Figure 7:

MAP, EGR, Purge Solenoid, and Throttle Body
Object Number: 209643 Size: SF
(1)Throttle Body
(2)Exhaust Gas Recirculation (EGR) Valve
(3)Generator
(4)Evaporative Emission (EVAP) Canister Purge Valve
(5)Manifold Absolute Pressure (MAP) Sensor
Figure 8:

Left Side of the Engine Components (4.3L)
Object Number: 235186 Size: MF
(1)Bank 1 Cylinder Head
(2)Engine Coolant Temperature (ECT) Sensor
Figure 9:

Ignition Coil, Ignition Control (IC) Module, MAP, Throttle Body, and Evaporative (EVAP) Canister Purge Valve
Object Number: 212690 Size: LF
(1)EVAP Pipe
(2)Injector Assembly Electrical Connector
(3)Throttle Body
(4)Manifold Absolute Pressure (MAP) Sensor
(5)Ignition Control (IC) Module
(6)Ignition Coil
(7)Evaporative (EVAP) Canister Purge Valve
Figure 10:

Top Rear of the Engine Components (4.3L)
Object Number: 212680 Size: MF
(1)Camshaft Position (CMP) sensor
(2)Oil Pressure Switch
(3)Knock Sensor (KS)
Figure 11:

Oxygen Sensors (4.3L)
Object Number: 209624 Size: MF
(1)HO2S Bank 2 Sensor 2
(2)HO2S Bank 1 Sensor 2
(3)HO2S Bank 1 Sensor 1
(4)HO2S Bank 2 Sensor 1
Figure 12:

Automatic Transmission (4.3L w/2WD)
Object Number: 209622 Size: SF
(1)Vehicle Speed Sensor (VSS)
Figure 13:

Manual Transmission (4.3L w/2WD)
Object Number: 246886 Size: MF
(1)Vehicle Speed Sensor (VSS)
Figure 14:

Transfer Case (4.3L A/T w/4WD)
Object Number: 246883 Size: MF
(1)Vehicle Speed Sensor (VSS)
Figure 15:

Transfer Case (4.3L M/T w/4WD)
Object Number: 246884 Size: SF
(1)Manual Transmission
(2)Vehicle Speed Sensor (VSS)
(3)Transfer Case (4WD)
Figure 16:

EVAP Canister and Vent Valve
Object Number: 334914 Size: MF
(1)Left Frame Rail
(2)EVAP Vent Valve
(3)Fuel Tank
(4)EVAP Canister
Figure 17:

Fuel Tank Pressure Sensor and Fuel Level Sender Assembly
Object Number: 235167 Size: MF
(1)Fuel Tank
(2)Fuel Tank Pressure Sensor Connector
(3)Fuel Level Sender Connector
(4)Fuel Tank Sender Assembly
Figure 18:

AIR System (RPO NC1 only), AC Accumulator
Object Number: 334932 Size: MF
(1)AIR Pump
(2)Vacuum Hose to AIR Solenoid
(3)A/C Compressor Cycling Switch
(4)A/C Accumulator
(5)AIR Hose to AIR Pipes
(6)AIR Solenoid
(7)AIR Pump Shut Off Valve
(8)Fender to Cowl Brace