Harley Davidson Softail Wiring Diagram

By | December 6, 2017



Harley Davidson Softail Wiring Diagrams – Unraveling the Mystery of Your Bike



No matter how experienced you are with motorcycles, it can be intimidating when it comes to dealing with wiring diagrams for any model. Whether it's a custom Harley Davidson Softail you've been tailoring to perfection or a classic you've just acquired, the wiring diagram is an essential tool for troubleshooting and accident prevention. In this article, we'll dive into the details of a Harley Davidson Softail wiring diagram and learn about some helpful tips and tricks for handling your own wiring projects.

Understanding Harley Davidson Softail Wiring Diagrams



When you're familiarizing yourself with the wiring of your Harley Davidson Softail, the first step is to get familiar with the overall diagram. A diagram becomes much easier to understand when you’ve broken it into its constituent components. Each component should be clearly labeled, and the diagrams will often come with a legend which details all the relevant symbols. Typically, motorcycle wiring diagrams will present the wire colors in the same logical manner as all other vehicles do. As a general rule, black represents ground, red signifies power, blue indicates switched power, and yellow indicates signal.

Breakdown of Major Components



Let's take a look at some of the major components that may appear in a typical Harley Softail wiring diagram.


  • Ignition System: The ignition system on a Harley Softail is made up of the ignition coils, ignition switches, spark plug wires, and distributor caps. It's responsible for supplying electrical power to the rest of the bike.


  • Solenoid System: This system includes the starter solenoid, the starter switch, the starter relay, the starter motor, and the battery.


  • Lighting System: On a Softail, the lighting system consists of the headlight, taillight, brake lights, and turn signals.


  • Battery: The battery serves as the power source for the electrical system, providing the voltage necessary to power the bike's systems and accessories.


  • Engine: This component is responsible for the actual running of the vehicle. It utilizes the fuel, air, and spark plugs to generate combustion, which drives the bike forward.




Diagnosing Electrical Issues Using a Harley Davidson Softail Wiring Diagram



If your Harley softail isn't starting, you should be able to use the wiring diagram to identify any loose connections or shorts in the electrical system. Start by checking the voltage supplied by the battery. If it's low, then there may be a short circuit somewhere. Make sure none of the wires have melted or melted together. If this is the case then you will need to replace the wires and start again. You should also check all the connections such as the spark plugs, starter relay, engine wires, and any other connections in the wiring diagram. If everything looks good, then you may need to check the ignition system. Again, the wiring diagram is essential for this process.

Staying Safe While Working with Wiring Diagrams



Finally, it pays to take a moment to consider safety when you're working with wiring diagrams. Disconnect the battery before beginning work on the electrical system, and always wear insulated gloves to protect yourself from accidental shocks. Additionally, never overlook the importance of making sure every single wire is connected tightly before turning the power back on. Taking the time to ensure these steps are being followed will save you from any potential hazards in the future.

In conclusion, understanding the wiring diagrams for your Harley Davidson Softail not only makes it easier to customize the bike, but also keeps you safe in the process. With this guide in hand, it's easier than ever to get started on your next wiring project!


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