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Circuit/System Testing

WARNING: This page is about a different car, the 2007 Pontiac Solstice. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, test the speaker output circuits between the amplifier and speakers for an open, a short to voltage or a short to ground.
  2. If the circuit tests normal, test or replace the amplifier.
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