Without the FWH-600, you would have to cut the OE radio plug and manually test each wire to connect to your after-market receiver. AMERICAN INTERNATIONAL CORP FWH600 Amplifier Integration Harness for Select 1998-2008 Ford Lincoln and Mercury Vehicles.OEM Quality terminals.High impact ABS OEM Quality plastic molded connectors.
Factory style texture.Kit Includes:Radio Housing.Install dash kit for Single DIN/ISO Radios.Designed and manufactured with precision tolerances, resulting in a gapless fit between the dash and the kit.