1989 Ford Mustang Fuse Box Parts - part request 1989 Ford Mustang Fuse Box Parts. We have been able to find many parts that will help you repair your vehicle. These parts can be difficult to find sometimes but since we have a large network of salvage yards and part suppliers chances are always pretty good that we'll be able to help you find the parts you need. Used 1989 Ford Mustang For Sale - CarGurus wwwurus›Used Cars›Ford MustangSave $7,281 on a 1989 Ford Mustang near you. Search over 39,700 listings to find the best local deals. We analyze millions of used cars daily.