Wiring Harness & Pigtails - Toms Bronco Parts If your Bronco's wiring is fried, Tom's Bronco Parts can help. We offer complete Centech body wiring harnesses, the most affordable, high quality & easy to use wiring harness on the market for early Broncos. If you just need to repair a small section of your wiring, we also offer a variety of replacement pigtails for common areas of concern. bronco wiring harness | eBay Find great deals on eBay for bronco wiring harness. Shop with confidence. Skip to main content. eBay Logo: E4TZ-14401-H Ford 1984 Ranger Truck Pickup + Bronco II Under Dash Wiring Harness See more like this. Ford 5.0 EFI Mustang/Bronco wiring harness 1989-1993 . Brand New. $625. Buy It Now +$20 shipping.