Metra 70-5521 Amp Integration/Sub Harness for 2003 through 2012 for Ford/Lincoln/Mercury

• Designed for base amplified sound systems (excludes Sony(R)/THX(R) 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;