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. 2004 Ford F-150 Audio Wiring Radio Diagram Schematic Colors Oct 18, 2014Here is the stereo radio wiring information for your 2004 Ford F-150 F150 body with the standard or amplified systems. It will be useful when installing an aftermarket radio, sound stereo system, or other automotive accessories.