WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: G100 Ground Distribution Schematics
Courtesy of GENERAL MOTORS CORP.
Fig 2: G101, G102, & G111 Ground Distribution Schematics
Courtesy of GENERAL MOTORS CORP.
Fig 3: G113 & G115 Ground Distribution Schematics
Courtesy of GENERAL MOTORS CORP.
Fig 4: G200 Ground Distribution Schematics
Courtesy of GENERAL MOTORS CORP.
Fig 5: G201 Ground Distribution Schematics
Courtesy of GENERAL MOTORS CORP.
Fig 6: G202 & G204 Ground Distribution Schematics
Courtesy of GENERAL MOTORS CORP.
Fig 7: G301 Ground Distribution Schematics
Courtesy of GENERAL MOTORS CORP.
Fig 8: G302 (Coupe) Ground Distribution Schematics
Courtesy of GENERAL MOTORS CORP.
Fig 9: G302 (Sedan) Ground Distribution Schematics
Courtesy of GENERAL MOTORS CORP.
Fig 10: G403 & G404 Ground Distribution Schematics