Universal 12 Circuit Auto Wiring Harness | HotRodWires All Hot Rod Wires® wiring harnesses are OEM quality, made in the USA with 100% American copper wire, and built to last. This 12 Circuit Universal Wiring Harness can be used for hot rods, classics, project vehicles, trucks, sandrails, and more. 12 circuit wiring harness | eBay www›Search›12 circuit wiring harnessRelated: 14 circuit wiring harness 12 circuit universal wiring harness universal wiring harness ez wiring harness 12 circuit 12 circuit wiring harness painless. Wire 12 Circuit Wiring Harness For Chevy Mopar Ford Street Hot Rod Universal. Brand New. $87. Was: Previous Price $109. or Best Offer. Free Shipping. 113 Sold 113 Sold. 20% off.