Engine Controls Component Views. Chevrolet Chevy C Silverado

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1999 🢒 Chevy C Silverado - 2WD 🢒 Engine 🢒 Engine Electrical 🢒 Engine Controls Component Views

Figure 1:

Full Engine View Left Side


(1)	Manifold Absolute Pressure (MAP) sensor
(2)	Fuel Pressure Regulator
(3)	Positive Crankcase Ventilation (PCV) Valve
(4)	Left Bank Ignition Coils
(5)	Engine Oil Temperature (EOT) Sensor
(6)	Engine Coolant Temperature (ECT) Sensor
(7)	Throttle Position (TP) Sensor
(8)	Throttle Body
(9)	Idle Air Control (IAC) Motor
(10)	EVAP Purge Solenoid

Figure 2:

EVAP Canister and Vent Valve


(1)	Left Frame Rail
(2)	EVAP Vent Valve
(3)	Fuel Tank
(4)	EVAP Canister

Figure 3:

AIR System (RPO NC1 only), EGR, and Right Bank Ignition Coils


(1)	AIR System Crossover Pipe
(2)	Left Bank AIR Check Valve
(3)	Left Bank AIR Pipe
(4)	EGR Pipe to Intake Manifold
(5)	Exhaust Gas Recirculation (EGR) Valve
(6)	EGR Pipe from Exhaust Manifold
(7)	Right Bank AIR Pipe
(8)	Right Bank Ignition Coils
(9)	Right Bank AIR Check Valve

Figure 4:

A/C Compressor, Oil Level Switch, CKP Sensor and Starter


(1)	A/C Compressor Assembly
(1)	A/C Compressor Assembly
(2)	A/C Compressor Clutch Connector
(3)	A/C Pressure Switch Connector
(3)	A/C Pressure Switch Connector
(4)	A/C High Pressure Cutout Switch
(5)	Oil Level Switch Connector
(6)	Starter Assembly
(7)	Crankshaft Position Sensor (CKP) Connector
(8)	Starter Solenoid Lead

Figure 5:

Front Mounted A/C Components


(1)	Radiator Core Side Support
(2)	A/C Refrigerant Hose
(3)	Mounting Bracket
(4)	A/C Secondary High Pressure Switch
(5)	A/C Secondary High Pressure Switch Connector

Figure 6:

Knock Sensors


(1)	Front Knock Sensor - KS1
(2)	Rear Knock Sensor - KS2

Figure 7:

Crankshaft Position Sensor Location


(1)	CKP Mounting Bolt
(2)	CKP Mounting Location
(3)	Crankshaft Position Sensor (CKP)

Figure 8:

Air Induction Components


(1)	Clamp
(2)	Air Duct
(3)	Clamp
(4)	MAF/IAT Sensor
(5)	Air Cleaner Assembly
(6)	Air Restriction Indicator

Figure 9:

Air Cleaner Housing


(1)	Restriction Indicator
(2)	MAF/IAT Sensor
(3)	Seal with Clamp
(4)	Air Cleaner Housing Top Cover
(5)	Air Cleaner Element
(6)	Air Cleaner Housing
(7)	Air Inlet
(8)	Air Cleaner Housing Top Cover Fasteners

Figure 10:

AIR System (RPO NC1 only), AC Accumulator


(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

Figure 11:

Vehicle Speed Sensor (VSS) and Back Up Lamp Switch (Manual Transmission)


(1)	Back Up Lamp Switch Connector
(2)	Vehicle Speed Sensor (VSS)
(3)	Vehicle Speed Sensor (VSS) Connector
(4)	Back Up Lamp Switch

Figure 12:

Automatic Transmission 4L60E


(1)	Transmission Electrical Connector
(2)	Vehicle Speed Sensor (VSS)
(3)	Frame Rail Cross Member
(4)	Heated Oxygen Sensor Bank 1 Sensor 2 Electrical Connector
(5)	Back Up Lamp Switch Connector (Part of the Park/Neutral Position Switch)
(6)	Park Neutral Position SwitchConnector
(7)	PRND/Park Neutral/Back up Switch Assembly
(8)	Heated Oxygen Sensor Bank 1 Sensor 1 Electrical Connector

Figure 13:

Automatic Transmission 4L80-E


(1)	Vehicle Speed Sensor
(2)	Harness Connector
(3)	Backup Lamp Switch Connector (Part of the Park / Neutral Position Switch)
(4)	Park / Neutral Position Switch Connector
(5)	Input Shaft Speed Sensor Connector
(6)	Park / Neutral Position Switch

Figure 14:

Underhood Electrical Center


(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 15:

Oxygen Sensors (4.8L and 5.3L)


(1)	Bank 1 Sensor 2 HO2S
(2)	Bank 1 Sensor 1 HO2S
(3)	Bank 1 Sensor 1 HO2S Threaded Boss
(4)	Left Bank Catalytic Convertor
(5)	Bank 1 Sensor 2 HO2S Threaded Boss
(6)	Bank 2 Sensor 1 HO2S Threaded Boss
(7)	Right Side Frame Rail
(8)	Right Bank Catalytic Convertor
(9)	Bank 2 Sensor 2 HO2S Threaded Boss
(10)	Bank 2 Sensor 2 HO2S
(11)	Bank 2 Sensor 1 HO2S

Figure 16:

Oxygen Sensors (6.0L)


(1)	Bank 2 Sensor 1 HO2S
(2)	Bank 1 Sensor 2 HO2S Threaded Boss
(3)	Right Side Frame Rail
(4)	Right Bank Catalytic Convertor
(5)	Bank 2 Sensor 2 HO2S
(6)	Bank 2 Sensor 2 HO2S Threaded Boss
(7)	Left Bank Catalytic Convertor
(8)	Bank 1 Sensor 2 HO2S
(9)	Bank 1 Sensor 1 HO2S Threaded Boss
(10)	Bank 1 Sensor 1 HO2S
(11)	Bank 2 Sensor 1 HO2S Threaded Boss

Figure 17:

LF Radiator Support Components (4.3L/4.8L/5.3L/6.0L)


(1)	Powertrain Control Module (PCM)
(2)	Radiator Support
(3)	Left Frame Rail
(4)	PCM Wire Harness Connectors