Engine Controls Component Views. GMC Truck GMC C Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2001 🢒 GMC C Sierra - 2WD 🢒 Engine 🢒 Engine Controls - 6.6L 🢒 Engine Controls Component Views

Figure 1:

LF of the Engine Components (6.6L)


(1)	AC High Pressure Switch Connector
(2)	C108
(3)	C107
(4)	Engine Glow Plug Relay
(5)	Glow Plug Harness
(6)	Diesel Engine-6.6L
(7)	Generator Connector
(8)	AC Compressor Clutch Connector

Figure 2:

RR of the Engine Compartment Components (6.6L)


(1)	Radiator Surge Tank
(2)	AC Low Pressure Switch Connector
(3)	A/C Accumulator
(4)	Engine Harness
(5)	Surge Tank Switch Connector
(6)	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Connector

Figure 3:

Underhood Junction Block (w/PTO)


(1)	Junction Block-Underhood
(2)	Engine Wiring Harness
(3)	Power Take Off (PTO) Relay

Figure 4:

Lower LF of the Engine Components (6.6L)


(1)	Engine - 6.6L Diesel
(2)	Negative Battery Cable
(3)	Negative Battery Ground
(4)	G103
(5)	Engine Harness

Figure 5:

Accelerator Pedal (6.6L)


(1)	APP Sensor
(2)	APP Sensor Connector

Figure 6:

LR of the Engine Compartment Components (6.6L)


(1)	Inline Connector-C105 (IP Harness Side)
(2)	Inline Connector-C105 (Engine Harness Side)
(3)	Junction Block-Underhood

Figure 7:

Glow Plug Terminal and Trailer Lead Connections-Diesel


(1)	Glow Plug Terminal Connection
(2)	Junction Block-Underhood
(3)	Trailer Terminal Connection

Figure 8:

Left Side of the Engine Components (6.6L)


(1)	Baro Sensor
(2)	J - Block

Figure 9:

Right Side of the Engine Components (6.6L)


(1)	Boost Sensor Bracket
(2)	Boost Sensor Connector
(3)	Boost Sensor

Figure 10:

Lower RF of the Engine Components (6.6L)


(1)	Crankshaft Sensor
(2)	Engine Block

Figure 11:

Lower Front of the Engine Components (6.6L)


(1)	Camshaft Sensor
(2)	Pulley

Figure 12:

Top Front of the Engine Components (6.6L)


(1)	ECT Sensor
(2)	Engine (6.6L)

Figure 13:

RF of the Engine Components -- (6.6L)


(1)	Fuel Injector Control Module

Figure 14:

Fuel Pump (6.6L)


(1)	Fuel Pump

Figure 15:

Top of the Engine Components (6.6L)


(1)	Engine - 6.6L
(2)	Fuel Regulator Assembly

Figure 16:

RF of the Engine Compartment Components (6.6L)


(1)	MAF / IAT Sensor
(2)	Air Cleaner Assembly

Figure 17:

LF Radiator Support Components (6.6L)


(1)	ECM
(2)	ECM Connectors

Figure 18:

Fuel Filter/Sensor (6.6L)


(1)	Fuel Filter/Heater Element Housing
(2)	Fuel Filter
(3)	Water-In-Fuel Sensor

Figure 19:

Injection System Components


(1)	Injector 5 Fuel Rail
(2)	Injector 7 Fuel Rail
(3)	Injectors 5 and 7 Harness
(4)	Intake Air Heater
(5)	Fuel Pressure Sensor
(6)	Injectors 6 and 8 Harness
(7)	Injector 8 Fuel Rail
(8)	Injector 6 Fuel Rail
(9)	Injector 4 Fuel Rail
(10)	Injectors 2 and 4 Harness
(11)	Injector 2 Fuel Rail
(12)	Injectors 1 and 3 Harness
(13)	Injector 1 Fuel Rail
(14)	Injector 3 Fuel Rail