Data Communication Schematics

WARNING: This page is about a different car, the 2007 Buick LaCrosse and 2007 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.