Speakers Inoperative - All: Notes
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Schematic Reference: Radio/Audio System Schematics (w/ U1C/UM7) or Radio/Audio System Schematics (WBM w/ UR9/UP0)
IMPORTANT:
The following information lists the most probable cause of the concern to the least probable cause, followed by the appropriate test for that condition. If the list leads to the replacement of a component, always inspect for a poor connection before proceeding with the replacement. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems.