Front of Vehicle/Engine Compartment Component Views. GMC Truck Sierra

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2008 🢒 Sierra - 2WD 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Front of Vehicle/Engine Compartment Component Views

Figure 1:

Front of the Vehicle Components (10 Series)


(1)	Hood
(2)	Inflatable Restraint Front End Sensor - Left
(3)	Inflatable Restraint Front End Sensor - Right

Figure 2:

Front of the Vehicle Components (except 10 Series)


(1)	Lower Radiator Support
(2)	Inflatable Restraint Front End Sensor

Figure 3:

Front of the Vehicle Components (X88)


(1)	Park/Turn Signal Lamp - Upper Right
(2)	Headlamp - Right Low Beam
(3)	Headlamp - Left Low Beam
(4)	Park/Turn Signal Lamp - Upper Left
(5)	Park/Turn Signal Lamp - Lower Left
(6)	Headlamp - Left High Beam
(7)	Fog Lamp - Left Front (T96)
(8)	Fog Lamp - Right Front (T96)
(9)	Headlamp - Right High Beam
(10)	Park/Turn Signal Lamp - Lower Right

Figure 4:

Front of the Vehicle Components (Z88)


(1)	Headlamp - Right Low Beam
(2)	Park/Turn Signal Lamp - Upper Right
(3)	Park/Turn Signal Lamp - Upper Left
(4)	Headlamp - Left Low Beam
(5)	Marker Lamp - Left Front
(6)	Headlamp - Left High Beam
(7)	Park/Turn Signal Lamp - Lower Left
(8)	Fog Lamp - Left Front (T96)
(9)	Fog Lamp - Right Front (T96)
(10)	Park/Turn Signal Lamp - Lower Right
(11)	Headlamp - Right High Beam
(12)	Marker Lamp - Right Front

Figure 5:

Behind the Grill Components - 1 of 3


(1)	Upper Tie Bar
(2)	Hood Ajar Switch (AP3/AP8)
(3)	Ambient Air Temperature Sensor (CJ2)

Figure 6:

Behind the Grill Components - 2 of 3


(1)	Horn - Right (7Z1/YE9)
(2)	Radiator Core Support
(3)	Horn - Left

Figure 7:

Behind the Grill Components - 3 of 3


(1)	Radiator Core Support
(2)	Ambient Air Temperature Sensor (DF5)
(3)	Ambient Air Temperature Sensor (CJ2)

Figure 8:

Front of the Engine Compartment Components (Gas except LY6)


(1)	Engine Cooling Fan - Left
(2)	Engine Cooling Fan - Right
(3)	Forward Lamp Harness

Figure 9:

Front of the Engine Compartment Components (Diesel)


(1)	Engine
(2)	Front Fascia
(3)	A/C Low Pressure Switch (C67/CJ2)
(4)	Surge Tank
(5)	Engine Coolant Level Switch

Figure 10:

Left Rear of the Engine Compartment Components


(1)	Windshield Wiper Motor
(2)	Power Brake Booster (JL4)
(3)	Windshield Washer Solvent Heater (XA7)
(4)	Fuse Block - Underhood
(5)	Engine Control Module (ECM)
(6)	Transmission Control Module (TCM) (M30/M70/MW7)
(7)	Brake Booster Vacuum Sensor (JL4)/Brake Master Cylinder Pressure Sensor (JL1)
(8)	Brake Fluid Level Switch

Figure 11:

Right Rear of the Engine Compartment Components (4.8L/5.3L/6.0L/6.2L)


(1)	Battery - Right
(2)	A/C Low Pressure Switch (C67/CJ2)
(3)	A/C Compressor Clutch (C67/CJ2)
(4)	A/C Refrigerant Pressure Sensor (C67/CJ2)
(5)	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor

Figure 12:

Rear of the Engine Compartment Components


(1)	Battery - Right
(2)	Windshield Wiper Motor
(3)	Windshield Washer Solvent Heater (XA7)
(4)	Fuse Block - Underhood
(5)	Battery - Left (Diesel/6A6/T92)
(6)	Windshield Washer Fluid Level Switch
(7)	Windshield Washer Fluid Pump
(8)	Air Cleaner Box

Figure 13:

Rear of the Engine Compartment Components (4.3L)


(1)	Battery Current Sensor (except MEX)
(2)	Mega Fuse
(3)	A/C Low Pressure Switch (C67/CJ2)
(4)	Fuse Block - Underhood
(5)	Engine Control Module (ECM)
(6)	A/C Refrigerant Pressure Sensor (C67/CJ2)
(7)	Mass Airflow (MAF)/Intake Air Temperature (IAT) Sensor
(8)	Battery - Right

Figure 14:

Rear of the Engine Compartment Components (Diesel)


(1)	Battery - Right
(2)	Fuse Holder
(3)	X127
(4)	X108
(5)	X107
(6)	X123 (PTO)
(7)	Fuse Block - Underhood
(8)	X109
(9)	Battery - Left
(10)	Engine Control Module (ECM)
(11)	Transmission Control Module (TCM) (MX7)

Figure 15:

Rear of the Engine Compartment Components (TP2)


(1)	Fuse Holder
(2)	Auxiliary Battery Run Relay
(3)	Auxiliary Battery Harness
(4)	Auxiliary Battery Relay
(5)	X122