Metra's FDWH4 aftermarket radio wire harness for select Ford/Lincoln/Mercury 2003-2012 models. This harness is used to connect the aftermarket radio to the OEM radio wire harness when replacing the OEM radio. Harness integrates the premium amplified audio system and allows it to work with the aftermarket radio.

• For Base amplified sound systems (Excluding Sony/THX sound systems)
• Works in select Ford/Lincoln/Mercury 2003- 2012 models
• Includes a power harness 
• 8-pin harness with RCA jacks for retaining the factory sub-woofer(s)