OnStar Schematics

OnStar Schematics

Vehicle Communication Interface Module (VCIM), Power and Ground, Inside Rearview Mirror






Vehicle Interface Unit (VIU), Data Link Connector (DLC)






Vehicle Interface Unit (VIU)






Locations: The locations for the Connectors, Grounds, Splices, and Grommets shown within these diagrams can be found via their numbers at Vehicle Locations. Locations