Engine Electrical Component Views

Fig 1: Identifying Engine Compartment Components - Forward Lamp Harness

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Hood Ajar Switch (AP3)
2	Inflatable Restraint Front End Sensor - Left
3	Horn - Left
4	Cooling Fan - Left
5	Cooling Fan - Right
6	Ambient Air Temperature Sensor (UH8 or UH9)
7	Horn - Right
8	Inflatable Restraint Front End Sensor - Right
9	Hood Ajar Switch Connector (AP3)

Fig 2: View Of Engine Electrical Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuse Block - Underhood (Battery Stud)
2	G102
3	Battery Current Sensor
4	Generator
5	Automatic Transmission
6	G113
7	G115 (Battery Cable)
8	G115
9	Starter Motor
10	Battery

Fig 3: View Of Engine Components - 3.5L (LX9)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Knock Sensor (KS) Bank 1
2	Engine Oil Pressure (EOP) Switch
3	Starter Motor Solenoid
4	Starter Motor

Fig 4: View Of Engine Components - 3.9L (LZ9)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Intake Manifold Tuning (IMT) Solenoid Valve
2	Evaporative Emission (EVAP) Canister Purge Solenoid Valve
3	Throttle Actuator Control (TAC) Module
4	Knock Sensor (KS) 1 (Early Production) or Knock Sensor (KS) 2 (Late Production)
5	Starter Solenoid
6	Starter Motor
7	Engine Oil Pressure (EOP) Sensor
8	Camshaft Position (CMP) Actuator Solenoid
9	Camshaft Position (CMP) Sensor