GM Service Manual Online
For 1990-2009 cars only

The following steps must be completed before using the symptom tables.

Diagnostic System Check - Vehicle

Visual/Physical Inspection

    • Inspect for aftermarket devices which can affect the operation of the power outlets. Refer to Checking Aftermarket Accessories
    • Inspect the accessible system components or the visible system components for obvious damage or for obvious conditions which can cause the symptom.

Intermittent

Electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections

Symptom List

Refer to Power Outlet Receptacle Malfunction in order to diagnose the system.