WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Ground G100 Schematic - Pontiac
Courtesy of GENERAL MOTORS CORP.
Fig 2: Ground G101 Schematic - Pontiac
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Fig 3: Ground G111 Schematic - Pontiac
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Fig 4: Ground G117 Schematic - Pontiac
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Fig 5: Ground G200 Schematic - Pontiac
Courtesy of GENERAL MOTORS CORP.
Fig 6: Ground G201 Schematic - Pontiac
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Fig 7: Ground G202 Schematic - Pontiac
Courtesy of GENERAL MOTORS CORP.
Fig 8: Ground G301 Schematic - Pontiac
Courtesy of GENERAL MOTORS CORP.
Fig 9: Ground G302 Schematic - Pontiac
Courtesy of GENERAL MOTORS CORP.
Fig 10: Ground G303 Schematic - Pontiac
Courtesy of GENERAL MOTORS CORP.
Fig 11: Ground G401 Schematic (1 of 2) - Pontiac
Courtesy of GENERAL MOTORS CORP.
Fig 12: Ground G401 (2 of 2), G402, and G403 Schematic - Pontiac