Large A3 (12″ x 16″) laminated color wiring diagrams are available for Harley Davidson motorcycles, helping owners identify the wires and troubleshoot electrical issues. The other wires are color-coded to make them easy to identify. As a general rule, the ground wire is solid black. Harley Davidson uses a color-coding system to identify the wires in their motorcycles’ electrical systems. Accurately knowing wire color codes ensures the safety and avoids potential problems. Installing and troubleshooting electrical wiring on a motorcycle can be challenging. Large A3 size laminated color wiring diagrams are readily available for Harley Davidson motorcycles to understand the wiring configuration quickly.Ī helpful table also describes the wiring colors of the brake light, ground, and turn signals. Each wire color carries a specific meaning and is essential for easy identification during the installation or troubleshooting of electrical wiring.įor example, Harley Davidson tail lights are generally wired with blue wiring. Harley Davidson wiring color codes play a significant role in ensuring the safe and trouble-free operation of the motorcycle. What Is A Harley Davidson Wiring Color Code? We also provide a comprehensive Harley Davidson wiring diagram with color codes to help make things clearer. We’ll cover everything from what Harley Davidson wiring color codes are to how to identify them.

It doesn’t help that they can vary by model year and even location. Harley Davidson Wiring Color Codes can be a bit puzzling for most riders. If you’re a Harley Davidson owner, you know how important it is to understand the various components of your bike, including its wiring. The ECM is located under the engine compartment’s left side of the dashboard.Ĭolor coding for wiring on the ECM is based on polarity, with orange (positive) wires going to orange connectors and black (negative) wires going to black connectors. Wiring color codes for Harley-Davidson motorcycles can be found on the ECM (Electronic Control Module) and the Ignition Module.

Ignition switch wiring color code