Reference Information

Schematic Reference

OnStar/Telematics Schematics 

Connector End View Reference

COMPONENT CONNECTOR END VIEWS - INDEX

Description and Operation

OnStar Description and Operation 

Electrical Information Reference

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

Special Tools

EL-50334-20  Multimedia Interface Tester (Multimedia Interface Tool)