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12 Circuit Universal Wire Harness


12 Circuit Universal Wire Harness


Our 12 Circuit Universal Wire Harness is a comprehensive wiring solution designed to simplify and streamline the electrical system of your vehicle. Whether you're restoring a classic car, building a custom vehicle, or upgrading your existing wiring, this wire harness is an essential component to ensure proper electrical functionality.

This wire harness features a 12-circuit design, providing ample circuits to accommodate various electrical components such as headlights, taillights, turn signals, horn, radio, gauges, and more. It is compatible with both 12-volt and 6-volt systems, allowing flexibility to suit your specific vehicle's electrical setup.

The wire harness is constructed with high-quality materials, including automotive-grade wires, connectors, and fuse holders, ensuring durability and reliable performance. The wires are color-coded and labeled for easy identification and installation, eliminating the guesswork during the wiring process.

The wires are pre-terminated with connectors, further simplifying the installation and saving you time and effort.

To enhance safety and protect your vehicle's electrical system, the wire harness includes fuses and relays. These components help prevent electrical overloads and ensure the proper functioning of individual circuits, providing peace of mind while driving.

Whether you're a seasoned automotive enthusiast or a novice DIYer, our 12 Circuit Universal Wire Harness is designed to make your wiring project straightforward and hassle-free. It offers a clean and organized solution to power your vehicle's electrical components, eliminating the need for complex and time-consuming wiring modifications.


  • 12 Fuses
  • 14 Circuits
  • 12 Pre-wired Terminals
  • Color Coded
  • Headlight Pig Tails
  • Flame Resistant Fiber Wire Jacket 
  • Fuse Panel Cover w/ 3 Extra Fuses
  • Built in Relay
  • Extra Wire
  • High Quality KIC Wire
  • Limited Lifetime Warranty
  • Comes with a small fuse block that can be mounted in any position including under the dash or seat. Perfect for custom installations. 
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