duraspark wiring harness | eBay Find great deals on eBay for duraspark wiring harness. Shop with confidence. Skip to main content. eBay Logo: 2 product ratings - Painless Wiring Wiring Harness Adapts Point Type to Duraspark II Ford V8 Kit. $85. Guaranteed by Mon, Jun. 10. Buy It Now +$9 shipping. 2 Ford Duraspark Ignition Harness We Make Wiring THAT Easy! This service harness was designed to allow for easy installation of Ford's Duraspark II system with one of our Classic Update kits. Includes complete installation instructions. Not intended as an original-replacement style harness.