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Evolution Big Twin Chopper Wiring Harness Installation Guide

Printable Wiring Diagram from Evolution Big Twin Choppers

Evolution Big Twin Chopper Wiring Harness video installation guide

Seth goes step by step through the simplest method to wiring an Evolution Big Twin chopper. He uses an Ultima programmable ignition and Throttle Addiction's Evolution Big Twin Wiring Harness Kit to rewire the War Horse from the ground up. The entire wiring of the motorcycle can be accomplished with just a few simple pieces.

Check out the parts used in our Simplified Wiring System for Evolution Big Twin Choppers

Why the Throttle Addiction Evolution Big Twin Wiring Harness for choppers is the best complete wiring system on the market

Revamp your Evo Big Twin with our Throttle Addiction Evolution Big Twin Hardtail Wiring Harness Kit – the ultimate solution for all your wiring needs. This stripped-down chopper harness is meticulously designed to simplify your wiring problems and ensure a seamless integration into your motorcycle.


  • Engineered for use with Ignition switch mounted at the motor mount and coil mounted on the left-hand side in front of the oil tank.
  • 100% Made in the USA

Kit Includes:

  • Wiring harness for a hassle-free setup
  • 30Amp circuit breaker for enhanced protection
  • Keyed ignition switch for secure control
  • Solenoid end cover starter button in chrome (Designed for use with 1.2/1.4 k/watt starters)

Includes Wiring for:

  • Headlight for improved visibility
  • Taillight for added safety on the road
  • Brake light (Designed for use with 4089 brake light switch)
  • Key switch wires for reliable ignition control

Upgrade your Evo Big Twin confidently with our USA-made wiring harness kit. Streamline your chopper's wiring system effortlessly, ensuring a smooth and reliable riding experience. Throttle Addiction – where simplicity meets excellence.

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