Amazon: f250 stereo wiring harness Amazon: f250 stereo wiring harness. Skip to main content. Try Prime All Fits Ford F-250 1999-2004 Factory Stereo to Aftermarket Radio Harness Adapter. 4.6 out of 5 stars 5. $7 $ 7. 99. FREE Shipping. ASC Audio Car Stereo Radio Install Dash Kit, Wire Harness, and Antenna Adapter to Install a Double Din Radio for some Ford Lincoln Ford F-250 OE Wiring Harnesses & Stereo Adapters — CARiD We have you covered with top-notch wiring harnesses designed precisely for your Ford F-250 by the most trustworthy brands in the industry. Ford F-250 wire harnesses showcased on our digital shelves provide efficient, worry-free operation of many parts of the vehicle. Also, it makes installation a breeze.