Kenworth Radio Wiring Diagram | Free Wiring Diagram Collection of kenworth radio wiring diagram. A wiring diagram is a simplified conventional pictorial representation of an electric circuit. It reveals the parts of the circuit as streamlined forms, and the power and also signal links in between the devices.Author: Ricardolevinsmorales Kenworth Semi Truck Radio and Free Wiring Harness Big Rig Stereo has the correct Kenworth semi truck radio and wiring harness to make replacing the radio easy. Use our Plug & Play Harnesses to plug into the factory OEM Radio Harness. BRS allows you to have a PLUG & Play radio 2 ways. Purchase the plug below for your Kenworth if you already have your own radio.