Metra 70-5521 Amp Integration/sub Harness For 2003 Through 2012 For Ford/lincoln/mercury

• Designed for base amplified sound systems (excludes Sony/THX sound systems) • No wire cutting needed for factory radio connectors • Plugs into the car's original radio connectors on 1 side • Color-coded wires on the other side are connected to the aftermarket radio • Provides electrical power to the radio for a 4-speaker connection • Includes a power harness and an 8-pin harness with RCA jacks for retaining the factory sub-woofer