1957 ford wiring harness | eBay Find great deals on eBay for 1957 ford wiring harness. Shop with confidence. Skip to main content. eBay Logo: New Main Engine Wiring Harness 1957 Ford Pickup Truck See more like this. Ford Wiring Harness Pigtail Plug Male Bullet Wire Connector Lead 50-85 Linc Merc (Fits: 1957 Ford Ford Wiring Harnesses - Dearborn Classics The electrical wiring harnesses in your Classic Ford are intricate, complicated, and absolutely vital to the performance of your vehicle. You need the best Classic Ford wiring harnesses that money can buy, and you can get that from Dearborn Classics , the most trusted name in Classic Fords.