Reference Information

Schematic Reference 

• Engine Controls Schematics
• Power Distribution Schematics

Connector End View Reference 

Component Connector End Views

Electrical Information Reference 

• Circuit Testing
• Connector Repairs
• Testing for Intermittent Conditions and Poor Connections
• Wiring Repairs
• Probing Electrical Connectors
• Electrical Center Identification Views

DTC Type Reference 

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference 

Control Module References for scan tool information

Special Tools 

J 35616  GM-Approved Terminal Test Kit