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Home › Pontiac › 2007 › Solstice Base, Automatic › Repair and Diagnosis › Accessories & Equipment › Infotainment › Cellular System, Entertainment System, And Navigation System › Diagnostic Information and Procedures › DTC B1287 › Circuit/System Testing

Circuit/System Testing

  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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