Diagnostic Overview - Audio System

1. Verify customer complaint.
2. Refer to: Delco Sound Service Guide (DE SSG) and Dealer Service Manuals; fill out the Service Writer Form provided in the Delco Sound Service Guide (DE SSG).
3. Follow radio service procedures.
4. If technical assistance is required, have all the pertinent information available before placing the call.
5. For a more complete diagnostic overview, consult the DE SSG.