Preliminary Information
Review the Radio/Audio Description and Operation and perform necessary inspections. Refer to RADIO/AUDIO SYSTEM DESCRIPTION & OPERATION (NON-CLASS 2 RADIO) or RADIO/AUDIO SYSTEM DESCRIPTION & OPERATION (CLASS 2 RADIO) .
IMPORTANT:
The following information lists the most probable cause of the concern to the least probable cause. If the list leads to the replacement of a component, always inspect for a poor connection before proceeding with replacement. Refer to TESTING FOR INTERMITTENT & POOR CONNECTIONS , and to CONNECTOR REPAIRS in WIRING SYSTEMS article.