The 1987 Yamaha Big Bear 350 was an all-terrain vehicle (ATV) produced by Yamaha Motor Company. It was a popular ATV model at that time, and many people still use it for various purposes. One of the most important components of the ATV is its electrical system, and the wiring diagram plays a crucial role in understanding and troubleshooting the electrical system.
Introduction to Wiring Diagrams
A wiring diagram is a visual representation of the electrical system of a device, machine, or vehicle. It shows the connections between the various electrical components, such as batteries, alternators, ignition systems, and lights. A wiring diagram is typically presented using symbols and color codes to make it easy to read and understand.
Wiring diagrams are essential for troubleshooting electrical problems, repairing damaged wiring, and modifying the electrical system. In this article, we will present a wiring diagram for the 1987 Yamaha Big Bear 350 ATV.
Wiring Diagram for the 1987 Yamaha Big Bear 350 ATV
The wiring diagram for the 1987 Yamaha Big Bear 350 ATV is presented in the table below. The diagram shows the connections between the various electrical components, such as the battery, ignition switch, starter relay, and fuse box.
| Component | Color Code | Connection |
|---|---|---|
| Battery | Red | Positive (+) Terminal |
| Battery | Black | Negative (-) Terminal |
| Ignition Switch | Black/White | Ground |
| Ignition Switch | Red/White | Battery Positive (+) |
| Starter Relay | Brown | Starter Motor |
| Starter Relay | Black/Yellow | Ground |
| Fuse Box | Green/White | Accessory Circuit |
| Fuse Box | Brown/White | Headlight Circuit |
| Fuse Box | Blue/White | Brake Light Circuit |
| Fuse Box | Yellow/White | Neutral Indicator Circuit |
Frequently Asked Questions (FAQs)
What is the purpose of the wiring diagram for the 1987 Yamaha Big Bear 350 ATV?
The wiring diagram is a visual representation of the electrical system of the ATV. It shows the connections between the various electrical components and helps in understanding and troubleshooting the electrical system. It is essential for repairing damaged wiring, modifying the electrical system, and troubleshooting electrical problems.
What are the different components shown in the wiring diagram?
The wiring diagram shows the connections between the various electrical components, such as the battery, ignition switch, starter relay, and fuse box. It also shows the color codes used for these components to make it easy to read and understand.
How can I use the wiring diagram to troubleshoot electrical problems?
The wiring diagram can be used to trace the connections between the various electrical components and identify any problems. For example, if a particular electrical component is not working, you can use the wiring diagram to check the connections and identify any breaks or damage in the wiring. You can also use the wiring diagram to check the voltage and resistance of the electrical components.
Can I modify the electrical system of my 1987 Yamaha Big Bear 350 ATV using the wiring diagram?
Yes, the wiring diagram can be used to modify the electrical system of the ATV. For example, you can add new lights, change the ignition system, or install a new battery. However, it is essential to follow the wiring diagram carefully and ensure that the modifications are made safely and correctly.
Where can I get more information about the 1987 Yamaha Big Bear 350 ATV?
You can get more information about the 1987 Yamaha Big Bear 350 ATV from various sources, such as online forums, repair manuals, and Yamaha dealerships. It is essential to use reliable sources and ensure that any modifications or repairs are made safely and correctly.
Conclusion
The wiring diagram is an essential tool for understanding and troubleshooting the electrical system of the 1987 Yamaha Big Bear 350 ATV. It shows the connections between the various electrical components and helps in repairing damaged wiring, modifying the electrical system, and troubleshooting electrical problems. It is essential to use the wiring diagram carefully and ensure that any modifications or repairs are made safely and correctly.
