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Home >> Pontiac >> 2007 >> Grand Prix Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Audio Too Loud at Low Settings >> Circuit/System Testing
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Circuit/System Testing

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.
  1. Turn ignition ON.
  2. Turn the radio ON.
  3. Test the steering wheel controls signal circuit for a short to voltage.
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