GM Service Manual Online
For 1990-2009 cars only
Makes
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Saturn
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2008
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Astra
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Diagnostic Navigation
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Vehicle Diagnostic Information
🢒 Steering Wheel Secondary/Configurable Control Schematics
Master Electrical Component List
Steering Wheel Controls Description and Operation
Control Module References
Horns
Power, Ground, Class 2, and GM Low Speed Serial Data (CAN A)
