[Fitment]: Add A Subwoofer Amplifier Plug & Play Harness fit for Ford 2011-2018 Factory Radio.Comes with an inline converter.(See detailed descriptions for specific models and years.) | [Function] : This harness allows for the installation of an aftermarket amp for the addition of a subwoofer to your factory system. The harness provides a connection for one set of RCA cables to provide an audio signal to an external amplifier. | [Easy to install ] : It's a complete accessory, plug and play. Unplug the OEM factory wiring and Plug the adaptor into the back of the cd player and find the proper fuse port with key power for remote. It's easy. | [Premium materials] : This is an aftermarket part. With strict quality control and testing. Stable performance, high precision, high sensitivity and good reliability. | [Package Included] : 1 x wire harness, 1 x Add-A-Circuit fuse tap, 1x 3 amp fuse (show as the picture), Installation Instruction Not Included.

Add A Amplifier Plug & Play Harness fits for Forvc Factory Radio.Comes with an inline converter.(See detailed descriptions for specific models and years.) | This is an aftermarket part. With strict quality control and testing. Stable performance, high precision, high sensitivity and good reliability. | This wire harness provides a line out converter for connection to one set of RCA cables to provide an audio signal to an external amplifier. Also pre-installed on the harness is a remote amplifier turn on wire. This wire, along with a set of RCA cables, is run to your aftermarket amplifier. All that’s left for you to do is connect your own main power wire from your battery and a ground. | 1 piece wire harness (show as the picture), Instruction Not Included. | Used to add an amp or sub to your factory system. One complete piece, no need to tape wires together. Comes with an inline converter. Fully adjustable gain control. Plug and play feature. Easy to install. Audio volume to the amplifier can be adjusted by the dials on the harness.