Test H: Radio Interference

WARNING: This page is about a different car, the 2003 Lincoln Navigator and 2003 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Verify Generator Is Source Of Radio Interference

Start and run the engine. Tune the radio to a station where the interference is present. Turn ignition off. Disconnect: generator B+ connector (Black/Orange wire). Start engine. With the engine running, is the interference present with the generator disconnected? If yes, diagnosis in-vehicle entertainment system. If no, replace generator. See GENERATOR under REMOVAL & INSTALLATION.