The 1986 Sportster is one of the most popular and well-loved motorcycles in the Harley Davidson family. It boasts a classic look, a powerful engine, and a smooth ride. However, one of the most important aspects of owning a Sportster is understanding its wiring diagram. In this article, we will explore everything you need to know about the 1986 Sportster wiring diagram, from its basic components to troubleshooting common issues.
Basic Components of the 1986 Sportster Wiring Diagram
The 1986 Sportster wiring diagram is divided into several parts, each of which plays a key role in the electrical system of your motorcycle. Here are the basic components you need to know:
Battery
The battery is the heart of your electrical system, providing the power necessary to start your motorcycle and keep it running. The 1986 Sportster uses a 12-volt battery that is located under the seat.
Starter Motor
The starter motor is responsible for turning over the engine when you start your motorcycle. It is connected to the battery and the starter solenoid through a series of wires and cables.
Starter Solenoid
The starter solenoid is a switch that connects the starter motor to the battery. When you turn the ignition key, the solenoid engages and allows the starter motor to turn over the engine.
Ignition Switch
The ignition switch is the key to starting your motorcycle. When you turn the key, it sends an electrical signal to the starter solenoid, which allows the starter motor to turn over the engine.
Rectifier/Regulator
The rectifier/regulator is responsible for converting the AC power generated by your motorcycle’s alternator into DC power that can be used to charge your battery and power your electrical system. It is located under the seat and is connected to the battery and the alternator through a series of wires and cables.
How to Read the 1986 Sportster Wiring Diagram
Reading the 1986 Sportster wiring diagram can be intimidating at first, but with a little practice, it becomes much easier. Here are some tips to help you get started:
Identify the Color Codes
The 1986 Sportster wiring diagram uses a series of color-coded wires to indicate which components they connect to. Here are the most common colors you will encounter:
| Color | Component |
|---|---|
| Black | Ground |
| Orange | Ignition Switch |
| Yellow | Stator |
| Green | Ground (Lighting) |
| Blue | Headlight |
| Red | Positive (+) |
Follow the Lines
The 1986 Sportster wiring diagram is made up of a series of lines that connect the various components of your motorcycle’s electrical system. Follow these lines to understand how the different parts of your electrical system are connected.
Identify the Symbols
The 1986 Sportster wiring diagram uses a series of symbols to indicate different components and connections. Here are some of the most common symbols you will encounter:
| Symbol | Component |
|---|---|
| + | Positive (+) |
| – | Negative (-) |
| < > | Diode |
| ⚡ | Power |
| 🔘 | Switch |
| 🔴 | Fuse |
Troubleshooting Common Issues with the 1986 Sportster Wiring Diagram
Despite its reliability, the 1986 Sportster’s wiring diagram may experience some issues from time to time. Here are some of the most common problems and how to troubleshoot them:
Battery Not Charging
If your battery is not charging, it could be due to a faulty alternator, rectifier/regulator, or battery. Check the voltage output of your alternator and rectifier/regulator using a multimeter. If they are not within the normal range, they may need to be replaced. If the voltage output is normal, the problem may be with your battery, and you may need to replace it.
Starter Motor Not Turning Over
If your starter motor is not turning over, it could be due to a faulty starter motor, starter solenoid, or ignition switch. Check the continuity of your starter motor and starter solenoid using a multimeter. If they are not within the normal range, they may need to be replaced. If the continuity is normal, the problem may be with your ignition switch, and you may need to replace it.
No Electrical Power
If you have no electrical power, it could be due to a blown fuse, faulty battery, or loose connection. Check your fuses and replace any that are blown. Check the voltage output of your battery using a multimeter. If it is not within the normal range, you may need to replace it. Check all of your connections and make sure they are tight and secure.
Conclusion
The 1986 Sportster wiring diagram may seem complicated, but with a little patience and practice, you can understand it fully. Remember the basic components, follow the lines, and identify the symbols. If you run into any issues, use the troubleshooting tips in this guide to help you find and fix the problem. With a little care and maintenance, your 1986 Sportster will provide you with years of reliable service.
FAQ
What is the 1986 Sportster wiring diagram?
The 1986 Sportster wiring diagram is a diagram that shows the electrical connections and components of the Harley Davidson 1986 Sportster motorcycle.
Can I troubleshoot my own 1986 Sportster wiring diagram?
Yes, with a little practice and some basic tools, you can troubleshoot your own 1986 Sportster wiring diagram. Use the tips in this guide to help you find and fix common issues.
What are the basic components of the 1986 Sportster wiring diagram?
The basic components of the 1986 Sportster wiring diagram include the battery, starter motor, starter solenoid, ignition switch, and rectifier/regulator.
What should I do if I have no electrical power?
If you have no electrical power, check your fuses, voltage output of your battery, and all of your connections to make sure they are tight and secure.
Can I replace my own wiring components?
Yes, with some basic tools and knowledge, you can replace your own wiring components. However, if you are unsure or uncomfortable with doing so, it is best to seek the help of a professional mechanic.
