2004 Ford F-150 Audio Wiring Radio Diagram Schematic Colors Oct 18, 20142004 Ford F-150 Radio Audio Wiring If you find any conflicting info please leave a comment with what you found in your Ford F-150. If you don’t see the audio radio wiring diagram you need comment and we will try to add it ASAP. 2004 Ford F150 Stereo Wiring Harness - AutoZone Equip cars, trucks & SUVs with 2004 Ford F150 Stereo Wiring Harness from AutoZone. Get Yours Today! We have the best products at the right price.