Engine Electrical Component Views

Fig 1: View Of Battery - Left Front

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Battery

Fig 2: Upper Left Side of the Engine - Front (4.2L)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
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

Fig 3: Lower Left Side of the Engine (4.2L)

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 4: Left Front of Engine (5.3L)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Generator

Fig 5: Lower Right Side of the Engine - Rear (5.3L)

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