The PAC BHA5511R is an OEM amplifier integration harness designed for select 1987–2007 Ford, Lincoln, and Mercury vehicles equipped with a factory premium amplified audio system. This harness allows you to install an aftermarket radio while retaining the factory amplifier and speaker system, eliminating the need to bypass or replace OEM audio components. Its plug-and-play design simplifies installation and helps preserve the vehicle's factory sound quality. Key Features Retains the factory premium amplifier when installing an aftermarket radio Plug-and-play design minimizes cutting and splicing of factory wiring RCA connections provide clean audio integration with aftermarket head units Preserves factory speaker wiring and amplifier functionality Standard EIA color-coded wiring for easy installation Maintains factory audio performance while upgrading the radio Professional-grade connectors ensure reliable long-term operation Vehicle Compatibility Fits select amplified Ford, Lincoln, and Mercury vehicles from 1987–2007, including many: Ford F-150 Ford Expedition Ford Explorer Ford Mustang Ford Ranger Lincoln Town Car Lincoln Navigator Mercury Grand Marquis Mercury Mountaineer Vehicle compatibility varies based on factory audio package. Designed for vehicles equipped with a factory premium amplified sound system. Specifications Part Number: BHA5511R Product Type: OEM Amplifier Integration Harness Application: Aftermarket radio installation with factory amplifier retention Connection Type: Factory harness to aftermarket radio RCA Outputs: Yes Plug-and-Play Installation: Yes Factory Amplifier Retention: Yes What's Included PAC BHA5511R amplifier integration harness Pre-terminated wiring leads RCA connectors for amplifier integration