3103573
Harness Installation Kit
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$2,599.95 $3,093.94

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

Introduction

The Cummins 3103573 Harness Installation Kit is designed to facilitate the integration of electrical components within commercial trucks. This part plays a role in ensuring that various electrical components are properly connected to the truck’s main power source, thereby supporting the overall operation and functionality of the vehicle 1.

Purpose and Functionality

The Cummins Harness Installation Kit serves to streamline the connection process between different electrical components and the primary power source in a truck. It integrates into the truck’s electrical system, providing a structured pathway for electrical signals and power distribution. This integration ensures that all connected components operate efficiently and reliably 2.

Key Features

The Cummins Harness Installation Kit is characterized by its robust design and the use of high-quality materials. These features contribute to its durability and performance under various operating conditions. The kit includes pre-assembled wiring harnesses, connectors, and mounting brackets, which are designed to simplify the installation process and ensure a secure fit 3.

Benefits

Utilizing the Cummins Harness Installation Kit can lead to improved electrical reliability within the truck. The kit’s design facilitates easier installation, which can reduce the time and effort required for setup. Additionally, its high-quality construction may contribute to lower maintenance requirements over time, offering long-term value to fleet operators.

Installation Process

Installing the Cummins Harness Installation Kit involves several steps to ensure proper integration with the truck’s electrical system. The process requires specific tools, such as wire strippers and crimping tools, to prepare and connect the wiring. Safety precautions, including disconnecting the battery and wearing appropriate personal protective equipment, should be observed throughout the installation. Following the manufacturer’s instructions ensures a proper fit and secure connection of all components.

Troubleshooting and Maintenance

Common issues with the Cummins Harness Installation Kit may include loose connections or damaged wires. Troubleshooting these issues involves inspecting the connections for security and the wires for any signs of wear or damage. Regular maintenance, such as checking for corrosion and ensuring all connections are tight, can help maintain the kit’s performance and longevity.

Compatibility and Applications

The Cummins Harness Installation Kit is engineered for use with specific types of trucks and engines. Its design ensures compatibility with a range of models, providing a versatile solution for fleet operators looking to upgrade or repair their vehicle’s electrical systems.

Safety Considerations

When installing or maintaining the Cummins Harness Installation Kit, it is important to adhere to electrical safety practices. This includes ensuring the vehicle’s battery is disconnected before beginning work to prevent electrical shocks. Additionally, taking precautions to avoid damaging the kit or the truck’s electrical system is crucial for maintaining safe and efficient operation.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its commitment to producing high-quality automotive components. The company’s reputation is built on a history of innovation and reliability, making it a trusted name among fleet operators and maintenance professionals.

Harness Installation Kit (Part 3103573) Component Usage

The Harness Installation Kit (Part 3103573) is designed to facilitate the integration of electrical components within engine systems, ensuring seamless operation and efficient performance. This Cummins part plays a significant role in connecting various electrical components to the primary systems, enhancing both functionality and reliability.

Motor Integration

When installing or servicing a motor, the Harness Installation Kit is instrumental in establishing secure and reliable electrical connections. It ensures that the motor receives consistent and adequate power supply, which is essential for optimal performance. The kit includes connectors and wiring that interface with the motor’s electrical terminals, allowing for straightforward installation and reducing the risk of loose connections that could lead to performance issues or electrical faults.

Starting System Compatibility

For the starting system, the Harness Installation Kit provides the necessary wiring and connectors to link the starter motor with the battery and ignition system. This ensures that when the ignition is engaged, the starter motor receives the correct voltage to crank the engine efficiently. The kit’s components are engineered to handle the high current demands of the starting system, ensuring durability and consistent performance over time.

Overall System Enhancement

By using the Harness Installation Kit, engineers and mechanics can ensure that all electrical connections within the engine system are robust and reliable. This not only enhances the overall performance of the engine but also contributes to the longevity of the electrical components by preventing issues such as corrosion, loose connections, and electrical shorts. The kit’s design allows for easier troubleshooting and maintenance, as the standardized connections simplify the process of identifying and rectifying any electrical issues that may arise.

Components of Cummins 3103573 Harness Installation Kit

Ground Wire (3103545)

The Ground Wire is a critical component of the 3103573 Harness Installation Kit. It ensures a secure and reliable electrical connection between the vehicle’s chassis and the electrical system. This wire plays a vital role in preventing electrical interference and ensuring the proper functioning of the installed harness.

Wiring Harness (3103546)

The Wiring Harness is the backbone of the 3103573 Harness Installation Kit. It consists of a bundle of wires that are routed and protected within a sheath. This component facilitates the transmission of electrical signals and power between various parts of the vehicle’s electrical system, ensuring efficient and organized wiring.

Relay Switch (3103547)

The Relay Switch included in the kit is designed to control high-current circuits with a low-current signal. It acts as an intermediary, allowing the electrical system to manage power distribution more effectively. This component enhances the safety and reliability of the electrical connections within the vehicle.

Literature (3103561)

The Literature component provides essential instructions and guidelines for the proper installation and use of the 3103573 Harness Installation Kit. It includes detailed diagrams, step-by-step procedures, and safety precautions to ensure that the installation process is carried out correctly and efficiently.

Conclusion

The Cummins 3103573 Harness Installation Kit is a comprehensive solution for integrating electrical components within commercial trucks. Its robust design, high-quality materials, and ease of installation contribute to improved electrical reliability and long-term value for fleet operators. By adhering to safety practices and performing regular maintenance, users can ensure the optimal performance and longevity of their vehicle’s electrical systems.


  1. Sheng, G. (2012). Vehicle Noise, Vibration and Sound Quality. SAE International.

  2. Hilgers, M. (2022). Transmissions and Drivetrain Design. Springer Vieweg.

  3. Duffy, O. C., & Wright, G. (2016). Fundamentals of Medium-Heavy Duty Commercial Vehicle Systems. Jones Bartlett Learning.

SPECIFICATIONS

Package Dimensions
13.4 x 13.4 x 5.75 in
Weight
9.35 lb
* 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.