GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Yukon - 4WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E 🢒 Cooling System Component Views
Figure 1:

Left Side of the Engine Components (4.8L/5.3L/6.0L)
Object Number: 334934 Size: LF
(1)Manifold Absolute Pressure (MAP) sensor
(2)Fuel Pressure Regulator
(3)Positive Crankcase Ventilation (PCV) Valve
(4)Left Bank Ignition Coils
(5)Engine Oil Pressure (EOP) Sensor
(6)Engine Coolant Temperature (ECT) Sensor
(7)Throttle Position (TP) Sensor
(8)Throttle Body
(9)Idle Air Control (IAC) Valve
(10)Evaporative Emission (EVAP) Canister Purge Solenoid
Figure 2:

Engine View-Upper Right (8.1L)
Object Number: 656520 Size: MF
(1)Engine Harness
(2)Manifold Absolute Pressure (MAP) Sensor Connector
(3)Engine
(4)Engine Coil Harness Connector
(5)Engine Coil Connector
(6)Engine Coolant Temperature (ECT) Sensor Connector