Operation CHARM: Car repair manuals for everyone.

Radio, Stereo, and Compact Disc: Description and Operation

Audio System
Two audio systems are available:
- DM100 premium AM/FM/Cassette/CD (standard on Expedition)
- CDX6 AM/FM/6 disc CD in-dash (premium)
- audiophile CDX6 AM/FM/6 disc CD in-dash (standard on Navigator)
- optional Vehicle Navigation Radio (VNR) with remote 6 disc CDDJ

The following options are available:
- rear passenger controls
- steering wheel integrated audio controls (Expedition Eddie Bauer and Navigator)
- the dual media and premium CDX6 systems include four door-mounted speakers
- audiophile and VNR systems include premium front door speakers, rear door speakers and rear mounted subwoofer assembly.
- an optional video system is available (Eddie Bauer only).

Rear Auxiliary Audio Controls
The rear audio unit control panel controls allow the rear passengers to control volume, station, AM/FM band, memory presets, and speaker or headphone selection. The mini-headphone jacks are also located on the panel.

The rear audio unit control panel is located at the rear of the center console.

Steering Wheel Integrated Audio Controls
The audio controls on the steering wheel allow the driver to control volume, AM/FM band, CD and memory presets.

Audio System - Radio Frequency Interference Suppression Equipment
The radio frequency suppression equipment consists of the following components:
- radio frequency interference suppression bond to bulkhead screw
- radio frequency interference suppression bond straps
- radio frequency interference suppression bond to engine nut
- radio ignition interference capacitors
- radio frequency interference suppression bond frame to floorpan screws

The radio suppression equipment reduces interference transmitted through the speakers by the engine ignition and electrical systems. When installing any radio suppression equipment components, make sure that a good contact is made at all connections. Remove any paint or dirt from between a component and its ground. Tighten all connectors and screws securely according to torque specifications. Refer to Specifications.