What is the wiring diagram on a 1994 Ford F-150 Radio?? I need a wiring diagram for a F75F-19B132-AA Ford Radio in a 1998 F-150 Pickup. I don't have any Ford Booklets that tell me what the wires connect to such as ignition, dimmer, battery circuit, etc. What is the radio wiring diagram code for a 1994 explorer1995 ford f250: cd/radio.I dont have a wireing diagram thatI need a wiring digram for the radio harness of my 1994 F-150.I have a 1994 ford f-150 xlt. was wiring in new radio whenSee more results 1994 ford F150 Radio Wiring Diagram | Free Wiring Diagram Assortment of 1994 ford f150 radio wiring diagram. A wiring diagram is a streamlined conventional photographic depiction of an electrical circuit. It reveals the components of the circuit as simplified forms, as well as the power and signal links in between the devices.