Data Communication Schematics

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Data Communication Schematic - L26

Courtesy of GENERAL MOTORS CORP.

Fig 2: Data Communication Schematic - LY7

Courtesy of GENERAL MOTORS CORP.