Reference Information

Schematic Reference 

Engine Controls Schematics (LS3) or Engine Controls Schematics (LS7) or Engine Controls Schematics (LS9)

Connector End View Reference 

Component Connector End Views

Description and Operation 

Electronic Ignition System Description

Electrical Information Reference 

• Circuit Testing
• Connector Repairs
• Testing for Intermittent Conditions and Poor Connections
• Wiring Repairs

DTC Type Reference 

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference 

Control Module References for scan tool information

Special Tools 

J 35616-A/BT-8637:  Connector Test Adapter Kit