Pac 10 Foot Speaker Connection Harness For Select 2007-2019 Ford VehiclesSimplify speaker wire connections when adding aftermarket amplifiers with the Speaker Connection Harness. Amplifiers can be easily added with no need to cut or modify a vehicles original wiring. APH FD01 works with the PAC AmpPRO modules: AP4 FD11 and AP4 FD21 Features: Works with PAC AmpPRO: AP4 FD11 and AP4 FD21 Can be used for other installations requiring plug n play speaker wire connections Easily add amplifiers without cutting or modifying the