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Home >> Hummer >> 2009 >> H3 Base, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Data Communication System >> Diagnostic Information and Procedures >> Scan Tool Does Not Communicate with Class 2 Device >> Reference Information

Reference Information

Schematic Reference 

Data Communication Schematics 

Connector End View Reference 

Component Connector End Views

Description and Operation 

Data Link Communications Description and Operation 

Electrical Information Reference