GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 Envoy - 4WD 🢒 Engine 🢒 Engine Electrical 🢒 Engine Electrical Component Views
Figure 1:

LF of the Engine Compartment
Object Number: 747586 Size: MF
(1)Battery
Figure 2:

Upper Left Side of the Engine - Front (4.2L)
Object Number: 1492013 Size: MF
(1)Engine Coolant Temperature (ECT) Sensor
(2)Engine Harness
(3)Powertrain Control Module (PCM) C1
(4)Powertrain Control Module (PCM) C2
(5)Powertrain Control Module (PCM) C3
(6)Generator
Figure 3:

Lower Left Side of the Engine (4.2L)
Object Number: 1492075 Size: MF
(1)Evaporative Emission (EVAP) Canister Purge Solenoid
(2)Starter
(3)Crankshaft Position (CKP) Sensor
(4)Knock Sensor (KS) 2, Rear
(5)Knock Sensor (KS) 1, Front
Figure 4:

Left Front of Engine (5.3L)
Object Number: 1550684 Size: MF
(1)Generator
Figure 5:

Lower Right Side of the Engine - Rear (5.3L)
Object Number: 1488866 Size: MF
(1)Crankshaft Position (CKP) Sensor
(2)Knock Sensor (KS) 2 - Right
(3)Engine Harness
(4)Starter
(5)Engine