Engine Electrical Component Views

Fig 1: Rear of Battery - 4.2L

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Positive Battery Terminal
2	Regulated Voltage Control Module
3	Battery
4	Negative Battery Terminal

Fig 2: Rear of Battery - 5.3L

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Positive Battery Terminal
2	Regulated Voltage Control Module
3	Battery
4	Negative Battery Terminal

Fig 3: Upper Left Side of the Engine - Front (4.2L)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Powertrain Control Module (PCM)
2	Powertrain Control Module (PCM) C3
3	Powertrain Control Module (PCM) C2
4	Generator

Fig 4: View Of Lower Left Side of the Engine

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
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

Fig 5: Left Front of Engine (5.3L)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Generator

Fig 6: View Of Lower Right Side of the Engine - Rear

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Crankshaft Position (CKP) Sensor
2	Knock Sensor (KS) 2 - Right
3	Engine Harness
4	Starter
5	Engine