If you own a 1979 Suzuki GS750 motorcycle, it’s important to understand its wiring diagram to keep it running smoothly. The electrical system of a motorcycle is one of the most important components, and any issue with it can cause various problems. In this article, we will provide a complete guide to the 1979 Suzuki GS750 wiring diagram, including its functions, components, and troubleshooting tips.
Overview of the Electrical System
The 1979 Suzuki GS750 has a basic electrical system that includes a battery, voltage regulator, alternator, ignition switch, starter motor, and various other components. The primary function of this system is to provide power to the engine’s ignition and fuel systems, as well as the lights, horn, and other electrical devices.
Understanding the different components and their functions is essential to ensure that your motorcycle is working correctly. Let’s take a closer look at each of these components:
Battery
The battery is the heart of the electrical system, and it provides power to all electrical devices when the motorcycle is not running. It also provides power to the starter motor to start the engine.
Voltage Regulator
The voltage regulator is responsible for controlling the amount of voltage that the alternator produces. It ensures that the battery’s charging rate is at the optimal level and prevents overcharging or undercharging of the battery.
Alternator
The alternator produces electricity when the engine is running. It provides power to the motorcycle’s electrical system and charges the battery.
Ignition Switch
The ignition switch is responsible for turning on the motorcycle’s electrical system when the key is turned. It also activates the starter motor to start the engine.
Starter Motor
The starter motor is responsible for cranking the engine when the ignition switch is turned on. It starts the engine by turning the crankshaft until it reaches a self-sustaining speed.
Wiring Diagram
The 1979 Suzuki GS750 wiring diagram is a visual representation of the motorcycle’s electrical system. It shows the connections between each electrical component and the wiring harness that connects them. Understanding this diagram is crucial when troubleshooting any electrical problems on your motorcycle.
Below is the wiring diagram for the 1979 Suzuki GS750:
| Wire Color | Function |
|---|---|
| Yellow | Generator AC output |
| Green/Black | Main fuse |
| Green | Neutral switch |
| Black/White | Signal ground |
| Black/Yellow | Battery negative |
| White/Red | Ignition switch (ACC) |
| White/Blue | Ignition switch (ON) |
| White/Green | Ignition switch (START) |
| Red/White | Starter motor |
| Red/Yellow | Front brake light switch |
| Red/Green | Rear brake light switch |
| Orange | Headlight |
| Blue | Right turn signal |
| Light blue | Left turn signal |
| Yellow/Red | Speedometer lights |
| Blue/White | Neutral indicator |
| Green/White | Oil pressure indicator |
Troubleshooting Tips
If you are experiencing electrical problems with your 1979 Suzuki GS750, here are some troubleshooting tips to help you diagnose the issue:
Check the Battery
Make sure that your battery is fully charged and in good condition. A weak or faulty battery can cause various electrical problems.
Inspect the Wiring Harness
Check the wiring harness for any damaged, frayed, or corroded wires. These can cause short circuits and other electrical issues.
Test the Components
Use a multimeter to test each electrical component individually. This will help you identify any faulty components that need to be replaced.
Clean the Electrical Connectors
Clean any dirty or corroded electrical connectors using a contact cleaner. This will ensure a good connection between the components.
Check the Fuses
Make sure that all fuses are in good condition and are the correct size for your motorcycle. Faulty or incorrect fuses can cause electrical problems.
Conclusion
The 1979 Suzuki GS750 wiring diagram is an essential tool for any motorcycle owner. It provides a visual representation of the electrical system, making it easier to diagnose and fix any issues. Understanding the different components and their functions is crucial to keeping your motorcycle running smoothly. By following the troubleshooting tips mentioned in this article, you can easily identify and fix any electrical problems that may arise.
FAQs
What is a Wiring Diagram?
A wiring diagram is a visual representation of an electrical circuit. It shows the connections between each component and the wiring harness that connects them. It is used to diagnose and troubleshoot any electrical issues that may arise.
Why is the Electrical System Important?
The electrical system of a motorcycle is responsible for providing power to the engine’s ignition and fuel systems, as well as the lights, horn, and other electrical devices. Any issues with this system can cause various problems, making it essential to keep it in good condition.
What is a Voltage Regulator?
A voltage regulator is a component that controls the amount of voltage that the alternator produces. It ensures that the battery’s charging rate is at the optimal level and prevents overcharging or undercharging of the battery.
