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Item #:
29663638
CDI Electronics 414-2770 Mercury/Mariner Wiring Harness - 2/4/6 Cyl. (1966-1981)
Item #:
29663638
XCD 658
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The CDI Electronics 414-2770 Mercury/Mariner Wiring Harness is a compatible replacement for a wide range of Mercury and Mariner engines.
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What Stands Out
Compatibility
Designed specifically for Mercury and Mariner engines from 1966 to 1981, ensuring seamless installation and optimal performance for both 2, 4, and 6-cylinder models.
Durable Construction
Built with high-quality materials to withstand harsh marine environments, this wiring harness provides long-lasting reliability and reduces the need for frequent replacements.
Easy Installation
Offers straightforward installation with clear labeling and compatible connectors, allowing users to easily upgrade their wiring system without specialized knowledge or tools.
Product Details
- Compatible with various Mercury and Mariner engines including 20-150 HP models
- Replaces multiple part numbers including 84-62534 and 84-73826A 1
- Ensure proper fit by checking manufacturer's recommended part numbers
- Compatible with 2, 4, and 6 cylinder engines from 1966 to 1981
- See Long Description for a list of compatible models
- Reliable wiring harness for Mercury and Mariner engines
| Brand Name | CDI Electronics |
| Number of Items | 1 |
| Manufacturer | CDI Electronics |
| UPC | 736983854476 |
| Unit Count | 1 Count |
| Global Trade Identification Number | 00736983854476 |
| Included Components | CDI Electronics 414-2770 Mercury/Mariner Wiring Harness - 2/4/6 Cyl. (1966-1981) |
| Item Type Name | Wiring Harness,Mercury,2/4/6 Cyl. |
| Model | 414-2770 |
| Part Number | 414-2770 |
| Item Dimensions | 7 x 9 x 2.5 inches (17.8 x 22.9 x 6.4 cm) |
| Item Weight | 16 ounces (453.6 grams) |
| Connector Type | Mercury/Mariner Engine Wiring Connector |
| Material Type | Copper |
| Cable Type | custom |
| Brand | CDI Electronics |
| Material | Copper |
| Item dimensions L x W x H | 7 x 9 x 2.5 inches (17.8 x 22.9 x 6.4 cm) |
Who Should Buy?
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Boat Restoration Projects
Ideal for enthusiasts restoring older Mercury or Mariner engines from 1966 to 1981, ensuring accurate wiring.
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DIY Mechanics
Perfect for DIYers seeking to replace faulty wiring on vintage outboard engines, enhancing performance and reliability.
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Marine Technicians
Designed for marine professionals needing reliable wiring solutions for servicing and repairing older 2, 4, or 6-cylinder engines.
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Modern Outboard Owners
Not suitable for owners of newer Mercury or Mariner engines, as it targets models built between 1966 and 1981.
Product Description
CDI Electronics 414-2770 Mercury/Mariner Wiring Harness - 2/4/6 Cyl. (1966-1981)
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the CDI Electronics 414-2770 MercuryMariner Wiring Harness designed for?
Answer: The CDI Electronics 414-2770 Wiring Harness is specifically designed for Mercury and Mariner outboard motors with 246 cylinders. It serves as a crucial component for connecting various electrical systems within the engine, ensuring optimum performance and reliability. By utilizing high-quality materials, this wiring harness enhances conductivity, reduces resistive losses, and protects against environmental factors. It's ideal for restoring older outboard models to their peak functioning, making it a vital component for boat restorations or upgrades. -
Question:
Can the CDI Electronics 414-2770 Wiring Harness be installed on multiple engine models?
Answer: Yes, the CDI Electronics 414-2770 Wiring Harness is compatible with various Mercury and Mariner outboard engines that use a 246-cylinder configuration. However, it's essential to ensure compatibility with your specific engine model by referencing the manufacturer’s specifications. This harness provides a reliable solution for connecting engine components and electrical systems across numerous models built between 1966 and 1981, making it a versatile choice for enthusiasts and maintenance professionals. -
Question:
What are the key features of the CDI Electronics 414-2770 Wiring Harness?
Answer: The key features of the CDI Electronics 414-2770 Wiring Harness include durable construction using high-quality materials, precision connections for electrical components, and corrosion resistance for longevity. This harness is designed to withstand the harsh marine environment, ensuring that it maintains integrity and function over time. It's particularly useful for restoring the electrical system of older Mercury or Mariner outboards, ensuring they operate smoothly and effectively during your time on the water. -
Question:
How do I identify if the CDI Electronics 414-2770 Wiring Harness is compatible with my outboard?
Answer: To determine compatibility of the CDI Electronics 414-2770 Wiring Harness with your outboard engine, check your engine's model and cylinder specifications. Reference the service manual or contact a marine parts specialist to verify that your engine falls within the 246-cylinder range for Mercury and Mariner models produced from 1966 to 1981. This verification process ensures you select the correct wiring harness for your outboard, contributing to optimal performance and reliability. -
Question:
What types of issues can a faulty wiring harness cause in my outboard engine?
Answer: A faulty wiring harness can lead to a range of problems in your outboard engine, including poor electrical connections, intermittent failures, and even complete engine shutdowns. Common symptoms may include difficulty starting the engine, erratic performance, or failure of electrical components such as gauges and ignition systems. Addressing wiring issues with a reliable harness like the CDI Electronics 414-2770 can restore functionality, ensuring a smoother and more reliable boating experience. -
Question:
How does the CDI Electronics 414-2770 Wiring Harness enhance engine performance?
Answer: The CDI Electronics 414-2770 Wiring Harness enhances engine performance by ensuring a stable and efficient electrical connection throughout the outboard motor. This reliable connection minimizes voltage drop and increases electrical communication between components, which is crucial for ignition timing and overall engine efficiency. For boat owners interested in maintaining or restoring the power of their Mercury or Mariner engines from 1966 to 1981, investing in this wiring harness can lead to noticeable improvements in performance. -
Question:
Is professional installation recommended for the CDI Electronics 414-2770 Wiring Harness?
Answer: While experienced DIY enthusiasts may manage the installation of the CDI Electronics 414-2770 Wiring Harness, it’s often recommended that individuals seek professional assistance. This ensures proper wiring connections and adherence to safety protocols, particularly for those unfamiliar with outboard motor electrical systems. Professional installation can prevent potential issues, ensuring that your wiring is correctly configured for optimal engine performance and reliability. -
Question:
Can I use the CDI Electronics 414-2770 Wiring Harness for marine repairs or upgrades?
Answer: Absolutely! The CDI Electronics 414-2770 Wiring Harness is an excellent choice for both repairs and upgrades on compatible Mercury and Mariner outboard motors. Whether you're restoring a classic boat or modernizing the electrical components of your engine, this harness provides the durability and reliability needed in marine applications. It’s ideal for ensuring that electrical connections maintain high performance over time, thereby enhancing the overall functionality of your vessel. -
Question:
What maintenance is required for the CDI Electronics 414-2770 Wiring Harness?
Answer: The CDI Electronics 414-2770 Wiring Harness requires minimal maintenance; however, it's essential to periodically inspect it for any signs of wear, fraying, or corrosion, especially when used in marine environments. Keeping connections clean and ensuring that no moisture infiltrates the wiring can help maintain functionality. Regular checks, especially before and after boating seasons, can ensure that your wiring harness operates efficiently and connects seamlessly with the engine components. -
Question:
Where can I buy the CDI Electronics 414-2770 MercuryMariner Wiring Harness in Anguilla?
Answer: You can buy the CDI Electronics 414-2770 MercuryMariner Wiring Harness from Ubuy, a reliable e-commerce platform that offers a wide variety of boating and marine parts. Ubuy specializes in delivering quality products, making it easy to find compatible components for your outboard motor. With their customer-friendly service, you can quickly obtain the wiring harness you need to restore or upgrade your Mercury or Mariner engine.
CDI Electronics Wiring Harnesses Editorial Review
CDI Electronics 414-2770 Mercury/Mariner Wiring Harness - 2/4/6 Cyl. (1966-1981) is a highly efficient solution for restoring vintage outboard motors, as noted by users who appreciate its seamless installation and clear color coding that matches up perfectly with their older engines. One reviewer mentioned that swapping out the deteriorating engine harness made their Mercury Thunderbolt 850 run better and start more easily, highlighting the quality and effectiveness of this harness. The included instructions are also praised for facilitating accurate installation, making it an appealing choice for both seasoned mechanics and those new to outboard repair.
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Pros
- Easy installation with clear color-coded wires
- Improves engine performance and reliability
- Included instructions simplify the process
- Fits various Mercury/Mariner models from 1966-1981
- Made from durable copper material
Cons
- Wires could be thicker for enhanced durability
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
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XCD 658
Order now and get it around Wednesday, September 09
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Features & Benefits
- Compatible with various 2, 4, and 6 cylinder engines from 1970-1979.
- Replaces a long list of part numbers, ensuring the proper fit for your application.
- High quality wiring harness from trusted brand CDI Electronics.
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