EZGO Marathon golf carts have been popular among golfers and enthusiasts since their debut in the late 1980s. These carts are known for their durability and ease of use, but like any vehicle, they require maintenance and occasional repairs. The wiring system is one of the most important components of an EZGO Marathon, and understanding the wiring diagram is crucial for troubleshooting electrical issues. In this article, we will provide a comprehensive guide to the 1990 EZGO Marathon wiring diagram, including a step-by-step wiring diagram, frequently asked questions, and tables for easy reference.
What is a wiring diagram and why do I need it?
A wiring diagram is a visual representation of the electrical system in a vehicle or device. It shows how each component is connected to one another, and how the electrical current flows through the system. Having a wiring diagram is important for troubleshooting electrical issues, as it helps you identify where a problem may be occurring. Without a wiring diagram, it can be difficult to trace the source of an electrical issue, leading to wasted time and money.
How to Read the 1990 EZGO Marathon Wiring Diagram
Before we dive into the wiring diagram, it is important to familiarize yourself with some common symbols and abbreviations used in electrical diagrams.
Symbols:
- Battery: A rectangle with a plus and minus sign on either side.
- Switch: A circle with a break in the line.
- Light Bulb: A circle with a cross inside.
- Resistor: A zig-zag line.
- Ground: A line with three lines branching off at the end.
Abbreviations:
- B: Battery
- G: Ground
- S: Switch
- RL: Rear Lights
- FL: Front Lights
- M: Motor
- MC: Motor Controller
Now that we have the basics covered, let’s take a look at the 1990 EZGO Marathon wiring diagram.
Step-by-Step Wiring Diagram
| Component | Wire Color | Location |
|---|---|---|
| Battery | Red | Under Seat |
| Battery | Black | Under Seat |
| MC | Green | Under Seat |
| MC | White | Under Seat |
| MC | Blue | Under Seat |
| MC | Yellow | Under Seat |
| MC | Orange | Under Seat |
| M | Yellow | Under Seat |
| M | Green | Under Seat |
| M | Red | Under Seat |
| M | Blue | Under Seat |
| M | Black | Under Seat |
| RL | Green | Rear Body |
| RL | White | Rear Body |
| RL | Yellow | Rear Body |
| FL | Red | Front Body |
| FL | Green | Front Body |
| FL | Yellow | Front Body |
| S | Green | Column |
| S | Yellow | Column |
| S | Blue | Column |
To read the wiring diagram, follow the wires from one component to the next. Each wire is labeled with a color and a component, so you can easily identify which wire is which. The battery is connected to the motor controller (MC) using a red and black wire, while the motor is connected to the MC using a yellow, green, red, blue, and black wire. The rear lights (RL) are connected to the MC using a green, white, and yellow wire, while the front lights (FL) are connected to the MC using a red, green, and yellow wire. The switch (S) is connected to the MC using a green, yellow, and blue wire.
Frequently Asked Questions
What are some common electrical issues with an EZGO Marathon?
Some common electrical issues with an EZGO Marathon include a dead battery, a faulty motor, blown fuses, and malfunctioning lights.
How do I troubleshoot an electrical issue?
Start by checking the battery voltage and connections, then move on to the fuses and switches. If none of these solutions work, consult the wiring diagram and trace the wires to identify the source of the problem.
Can I modify the wiring system on my EZGO Marathon?
Modifying the wiring system on an EZGO Marathon can be dangerous and may void the warranty. If you need to make any modifications, consult a professional for assistance.
Where can I find replacement parts for my EZGO Marathon?
You can find replacement parts for your EZGO Marathon from a variety of sources, including authorized dealers and online retailers.
Conclusion
Understanding the wiring diagram is essential for maintaining and repairing your EZGO Marathon. With the step-by-step guide and frequently asked questions, you should now have a better understanding of the wiring system and how to troubleshoot electrical issues. Remember to always follow safety precautions when working with electricity, and consult a professional if you are unsure about any repairs or modifications.
