INTERNATIONAL RADIO HARNESS - bigrigstereo International truck can be a difficult truck to fit for a harness. From the years of 2000-2006 there could be as many as 4 seperate harness that can apply. To help insure the exact fit we would suggest to pull the radio and look at the radio harness. international truck radio wiring harness | eBay Find great deals on eBay for international truck radio wiring harness. Shop with confidence.