WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Power, Ground, Communication, References (1 of 5)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Power, Ground, Communication, References (2 of 5)
Courtesy of GENERAL MOTORS CORP.
Fig 3: Power, Ground, Communication, References (3 of 5)
Courtesy of GENERAL MOTORS CORP.
Fig 4: Power, Ground, Communication, References (4 of 5)
Courtesy of GENERAL MOTORS CORP.
Fig 5: Power, Ground, Communication, References (5 of 5)