35 Hp Mercury Outboard Wiring Diagram – A Complete Guide

Mercury Outboard is one of the best outboard motors available in the market today. It has been the first choice of boating enthusiasts for decades due to its superior quality and durability.

However, many boaters face difficulties in understanding the wiring system of the 35 hp Mercury Outboard. Therefore, we have come up with this comprehensive guide that will help you understand the wiring diagram and make the necessary connections with ease.

What is a Wiring Diagram?

A wiring diagram is a pictorial representation of the electrical circuitry of a particular device. It shows the wires’ colors and their connections to different components and accessories to help diagnose any issues and perform the necessary repairs.

If you own a 35 hp Mercury Outboard, you need to have a thorough understanding of its wiring diagram to maintain and repair its electrical system.

Parts of a Wiring Diagram

A typical wiring diagram consists of various parts, including:

  • Title: The title of the diagram is usually located at the top and gives an idea of what the diagram represents.
  • Legend: The legend is a key that helps identify the different symbols used in the diagram.
  • Wires: The wires are represented by lines that connect the different components and accessories.
  • Components: The components are represented by symbols specific to their type.
  • Accessories: The accessories are represented by symbols that vary according to their type.

Understanding the 35 hp Mercury Outboard Wiring Diagram

The wiring diagram of a 35 hp Mercury Outboard can vary depending on the model and year of manufacture. However, the basic components and connections remain the same.

The 35 hp Mercury Outboard consists of a battery, ignition switch, choke switch, starter solenoid, starter motor, and electrical accessories such as lights, gauges, and pumps.

Wiring Diagram of a 35 hp Mercury Outboard

Table 1: Wiring Diagram of a 35 hp Mercury Outboard
Component Wire Color Connection
Battery Red Positive Terminal
Black Negative Terminal
Ignition Switch Red/White Connects to Battery Positive
Black/Yellow Connects to Starter Solenoid
Choke Switch Red/Brown Connects to Ignition Switch
Brown Connects to Choke Solenoid
Starter Solenoid Green Connects to Starter Motor
Black/Yellow Connects to Ignition Switch
Starter Motor Red Connects to Starter Solenoid
Black Connects to Battery Negative

Frequently Asked Questions (FAQs)

Q1. What should I do if my 35 hp Mercury Outboard fails to start?

If your 35 hp Mercury Outboard fails to start, first, check the battery’s connections and charge level. If the battery is working fine, check the ignition switch, starter solenoid, and starter motor connections using the wiring diagram. If everything seems okay, consult with a professional mechanic.

Q2. Can I replace the electrical accessories of my 35 hp Mercury Outboard?

Yes, you can replace the electrical accessories of your 35 hp Mercury Outboard. However, make sure to use accessories that are compatible with your outboard, follow the manufacturer’s instructions, and use the wiring diagram to make the necessary connections.

Q3. How often should I check the wiring system of my 35 hp Mercury Outboard?

You should check the wiring system of your 35 hp Mercury Outboard every six months or after 100 hours of usage, whichever comes first. Regular inspection and maintenance can save you from costly repairs in the future.

Conclusion

Understanding the wiring diagram of your 35 hp Mercury Outboard is crucial for maintaining and repairing its electrical system. By following this comprehensive guide, you can make the necessary connections and troubleshoot any issues with ease.