. Connect the wiring of radio to the INPUT wires of the DEA-4 Interlace. {See Frustration A}. NOTE: The wire colors of your radio may differ from those on the OBEY-4. Consult your Stereo owner's manual to match the wire functions correctly. Terminates all unused wires properly. 2. Connect the vehicle side of the messiahs io the Factory shames in the dash. (illustration A}.