3658274
Wiring Harness
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$749.95 $892.44

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3658274 Wiring Harness is a specialized component designed for use in commercial trucks. It serves as a part of the vehicle’s electrical system, facilitating the connection between various electrical components and the truck’s power source. This wiring harness ensures that electrical signals and power are efficiently distributed throughout the truck, contributing to the overall functionality and performance of the vehicle.

Basic Concepts of Wiring Harnesses

A wiring harness is an assembly of wires, connectors, and sometimes switches and relays that transmit electrical power and signals between different components of a vehicle. It is designed to organize and protect the wires, reducing the risk of damage and ensuring reliable electrical connections. Within a vehicle’s electrical system, the wiring harness plays a role by providing a structured pathway for electricity to flow from the power source to the various electrical components, such as lights, sensors, and control units 1.

Purpose of the 3658274 Wiring Harness

The Cummins 3658274 Wiring Harness is specifically engineered to integrate with the electrical systems of commercial trucks. It connects key components, allowing for the efficient transmission of electrical power and signals. This harness supports the operation of various truck systems, including the engine control module, sensors, and lighting systems, by providing a reliable and organized electrical pathway.

Key Features

The Cummins 3658274 Wiring Harness is characterized by its robust design and high-quality materials. It is constructed using durable wires and connectors that are resistant to wear and environmental factors. The harness is designed to withstand the demanding conditions of commercial truck operations, ensuring long-lasting performance. Additionally, it features precise routing and secure connections to minimize the risk of electrical issues 2.

Benefits

The use of the Cummins 3658274 Wiring Harness offers several benefits to truck operations. It enhances the reliability of the electrical system by providing secure and organized connections. This results in improved efficiency, as electrical power and signals are transmitted with minimal loss. Furthermore, the harness contributes to the safety of the truck by ensuring that all electrical components function correctly, reducing the likelihood of electrical failures that could lead to accidents 3.

Installation Process

Installing the Cummins 3658274 Wiring Harness involves several steps to ensure proper integration with the truck’s electrical system. Begin by identifying the correct location for the harness within the truck’s wiring system. Carefully route the wires according to the manufacturer’s instructions, ensuring that they are secured in place to prevent damage. Connect the harness to the appropriate electrical components, using the provided connectors and terminals. Finally, test the installation to confirm that all connections are secure and that the electrical system is functioning as intended.

Troubleshooting Common Issues

Common issues with the Cummins 3658274 Wiring Harness may include loose connections, damaged wires, or faulty connectors. To address these problems, begin by inspecting the harness for any visible signs of damage or wear. Check all connections to ensure they are secure and properly seated. If a wire is damaged, it may need to be repaired or replaced. In the case of faulty connectors, they should be replaced with new ones to restore the integrity of the electrical connections.

Maintenance Tips

To ensure the optimal performance and longevity of the Cummins 3658274 Wiring Harness, regular maintenance is recommended. This includes periodic inspections of the harness for signs of wear, damage, or loose connections. Clean the harness and its connections to remove any dirt or debris that could interfere with electrical conductivity. Additionally, protect the harness from physical damage by ensuring it is routed away from sharp edges and moving parts.

Safety Considerations

When working with the Cummins 3658274 Wiring Harness, it is important to follow safety procedures to prevent accidents and injuries. Always disconnect the truck’s battery before beginning any work on the electrical system to avoid the risk of electrical shock. Use appropriate tools and equipment to handle the wiring harness and its components. Wear protective gear, such as gloves and safety glasses, to protect yourself from potential hazards.

Cummins Overview

Cummins is a well-established company in the commercial truck industry, known for its high-quality engines and components. With a history of innovation and commitment to excellence, Cummins has built a reputation for producing reliable and efficient products. The Cummins 3658274 Wiring Harness is part of the company’s extensive lineup of components designed to enhance the performance and reliability of commercial trucks.

Cummins Wiring Harness 3658274 Compatibility

The Cummins Wiring Harness 3658274 is designed to integrate seamlessly with various engine models, ensuring reliable electrical connectivity and optimal performance. This wiring harness is engineered to fit the N14 CELECT PLUS engine, providing a robust solution for managing electrical components within the engine system.

When installed in the N14 CELECT PLUS engine, the wiring harness ensures that all electrical connections are secure and properly routed, minimizing the risk of electrical faults and enhancing overall engine efficiency. The harness is crafted to meet the specific electrical requirements of the N14 CELECT PLUS, ensuring compatibility and ease of installation.

For users of the Cummins N14 CELECT PLUS engine, the 3658274 wiring harness is a component that supports the engine’s electrical infrastructure. Its design allows for straightforward integration, reducing downtime and maintenance hassles. This wiring harness is a part of maintaining the engine’s operational integrity, ensuring that all electrical systems function as intended.

Role of Part 3658274 Wiring Harness in Engine Systems

The Part 3658274 Wiring Harness is an integral component in the orchestration of various engine systems, ensuring seamless communication and operation between different parts. This harness is meticulously designed to interface with multiple systems, enhancing the overall functionality and efficiency of the engine.

Integration with Accessories

The Wiring Harness facilitates the connection of various accessories to the engine system. These accessories may include fuel pumps, ignition systems, and emission control devices. By providing a structured pathway for electrical signals, the harness ensures that these accessories receive the necessary power and data to operate effectively. This integration is vital for the accessories to function in harmony with the engine, contributing to optimal performance and reliability.

Coordination with Wiring Systems

Within the broader wiring system of the engine, the Part 3658274 Wiring Harness plays a pivotal role. It acts as a central conduit, linking different wiring segments and ensuring that electrical currents are distributed efficiently throughout the engine. This coordination is essential for maintaining consistent voltage levels and preventing electrical interference, which could otherwise lead to malfunctions or reduced performance.

Connection to the Harness Network

As part of the overall harness network, this Wiring Harness is responsible for connecting various sub-harnesses within the engine system. These sub-harnesses may serve specific areas such as the sensor network, actuator controls, or power distribution points. The integration provided by the Part 3658274 ensures that these sub-harnesses operate in unison, facilitating a cohesive and responsive engine system.

Interface with Electronic Control Module (ECM) Wiring

The Wiring Harness is also instrumental in interfacing with the Electronic Control Module (ECM) wiring. The ECM relies on accurate and timely data from various sensors and components to make real-time adjustments to the engine’s operation. The harness ensures that this data is transmitted without loss or distortion, allowing the ECM to execute precise control over fuel injection, ignition timing, and other critical parameters. This interface is fundamental for the ECM to maintain engine performance, efficiency, and emissions compliance.

Conclusion

In summary, the Part 3658274 Wiring Harness is a cornerstone in the engine’s electrical architecture, enabling the efficient and reliable operation of accessories, wiring systems, harness networks, and ECM interfaces. Its role in facilitating communication and power distribution across these components underscores its importance in the engine’s overall design and functionality.


  1. Lakshminarayanan, P A, and Yogesh V Aghav. Modelling Diesel Combustion. Springer Science, 2010.

  2. Ferrari, Alessandro, and Pietro Pizzo. Injection Technologies: Mixture Formation Strategies. SAE International, 2022.

  3. Atkins, Richard D. An Introduction to Engine Testing and Development. SAE International, 2009.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
16.3 x 16.3 x 4.5 in
Weight
3.16 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.