4988596
Wiring Harness
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$459.95 $547.34

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 4988596 Wiring Harness is a specialized component designed for use in commercial trucks. It serves as a vital 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 its overall operation and functionality.

Basic Concepts of Wiring Harnesses

A wiring harness is an assembly of wires, connectors, and sometimes switches that transmit electrical power and signals between different components of a vehicle. It typically includes insulated wires bundled together, connectors for joining wires, and protective housing to shield the wires from physical damage and environmental factors. Within a vehicle’s electrical system, the wiring harness plays a role in connecting the battery, sensors, control units, and other electrical components, enabling them to communicate and function as intended 1.

Role of the 4988596 Wiring Harness in Truck Operation

The Cummins 4988596 Wiring Harness is specifically engineered to integrate into the electrical system of commercial trucks. It connects various electrical components, such as sensors, control modules, and actuators, to the truck’s power source. This harness facilitates the transmission of electrical signals and power necessary for the operation of these components, ensuring that the truck’s systems function correctly and efficiently. Its design allows for the organized routing of wires, reducing the risk of electrical interference and improving the reliability of the truck’s electrical system 2.

Key Features of the 4988596 Wiring Harness

The Cummins 4988596 Wiring Harness is characterized by its robust design and high-quality materials. It is constructed using durable, insulated wires that are resistant to abrasion, heat, and chemicals, ensuring longevity and reliability in demanding commercial truck environments. The harness features precise connectors that ensure secure and reliable connections between components. Additionally, its design includes protective housing to shield the wires from physical damage and environmental factors, further enhancing its durability and performance 3.

Benefits of Using the 4988596 Wiring Harness

Utilizing the Cummins 4988596 Wiring Harness in commercial trucks offers several advantages. Its robust construction and high-quality materials contribute to improved reliability and durability, reducing the likelihood of electrical failures. The organized routing of wires minimizes the risk of electrical interference, enhancing the efficiency of the truck’s electrical system. Furthermore, the secure connections provided by the harness’s precise connectors ensure consistent and reliable electrical signals, contributing to the overall safety and performance of the truck.

Installation Considerations

When installing the Cummins 4988596 Wiring Harness, it is important to follow guidelines and best practices to ensure proper integration into the truck’s electrical system. Preparatory steps may include disconnecting the battery to prevent electrical shocks and ensuring that the truck’s electrical system is clean and free of debris. The use of appropriate tools, such as wire strippers and crimping tools, is recommended to facilitate a secure and reliable installation. Careful routing of the harness to avoid sharp edges and moving parts is also crucial to prevent damage to the wires.

Maintenance and Troubleshooting

To ensure the longevity and performance of the Cummins 4988596 Wiring Harness, regular maintenance is recommended. This includes inspecting the harness for signs of wear, damage, or corrosion, and addressing any issues promptly to prevent further deterioration. Common troubleshooting methods for potential issues may involve checking connections for security, testing for continuity in the wires, and verifying the functionality of connected components. Regular maintenance and timely troubleshooting help maintain the efficiency and reliability of the truck’s electrical system.

Safety Precautions

When working with the Cummins 4988596 Wiring Harness, it is important to observe electrical safety practices and handling guidelines. This includes disconnecting the battery before beginning any work to prevent electrical shocks. Additionally, using insulated tools and wearing protective gear, such as gloves and safety glasses, can help protect against electrical hazards and physical injuries. Proper handling and storage of the harness, away from heat sources and chemicals, are also recommended to maintain its integrity and performance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established itself as a trusted name in the commercial truck industry, providing innovative and reliable solutions to meet the evolving needs of its customers. The company’s commitment to quality, performance, and customer satisfaction has made it a preferred choice for commercial truck operators worldwide.

Cummins Wiring Harness 4988596 Compatibility

The Cummins Wiring Harness part number 4988596 is designed to be compatible with several engine models, ensuring seamless integration and reliable performance. This wiring harness is engineered to meet the specific electrical needs of the engines it supports.

ISB/ISD6.7 CM2150 SN and ISBE CM2150

The 4988596 wiring harness is compatible with the ISB/ISD6.7 CM2150 SN and ISBE CM2150 engines. These engines are part of Cummins’ lineup known for their robust performance and efficiency. The harness is tailored to handle the electrical demands of these engines, ensuring that all electrical components are properly connected and functioning.

ISBE4 CM850

The ISBE4 CM850 engine also benefits from the 4988596 wiring harness. This engine is designed for heavy-duty applications, and the harness is engineered to support its electrical requirements. The compatibility ensures that the harness can handle the specific wiring configurations and power demands of the ISBE4 CM850 engine.

Grouping for Clarity

When considering the compatibility of the 4988596 wiring harness, it is helpful to group the engines based on their series and model numbers. The ISB/ISD6.7 CM2150 SN and ISBE CM2150 engines share a common platform, which is why they are grouped together. Similarly, the ISBE4 CM850 engine is distinct in its design and requirements, justifying its separate mention.

This grouping not only clarifies the compatibility but also aids in understanding the specific electrical needs each engine series addresses.

Role of Part 4988596 Wiring Harness in Engine Systems

The 4988596 Wiring Harness is an essential component that facilitates the integration and operation of various engine systems. It serves as the backbone for electrical connections, ensuring seamless communication and power distribution among key components.

Integration with the Harness

The wiring harness is meticulously designed to interface with the primary harness of the engine system. This connection allows for the distribution of electrical power to multiple subsystems, ensuring that each component receives the necessary voltage and current for optimal performance. The harness also plays a significant role in grounding, which is vital for maintaining electrical stability and preventing issues such as electromagnetic interference.

Connection to the Electronic Control Module (ECM) Wiring

The 4988596 Wiring Harness is specifically engineered to connect with the Electronic Control Module (ECM) wiring. This connection is fundamental for the ECM to receive sensor data and send control signals to actuators. The harness ensures that the ECM can effectively monitor and adjust engine parameters in real-time, enhancing overall engine efficiency and performance.

By providing a robust and reliable electrical pathway, the 4988596 Wiring Harness enables the ECM to execute precise control over fuel injection, ignition timing, and other critical functions, thereby contributing to the engine’s smooth operation and longevity.

Conclusion

The Cummins 4988596 Wiring Harness is a critical component in the electrical system of commercial trucks, ensuring efficient distribution of electrical signals and power. Its robust design, high-quality materials, and precise connectors contribute to the reliability and performance of the truck’s electrical system. Proper installation, maintenance, and adherence to safety precautions are essential for maximizing the benefits of this Cummins part. Compatibility with specific engine models further enhances its utility and effectiveness in various commercial truck applications.


  1. Dixon, J. (2014). Modern Diesel Technology: Heating, Ventilation, Air Conditioning, Refrigeration, 2nd Edition. Cengage Learning.

  2. Reif, K. (2015). Gasoline Engine Management Systems and Components. Springer Vieweg.

  3. Bari, S. (2013). Diesel Engine Combustion, Emissions and Condition Monitoring. InTech.

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SPECIFICATIONS

Package Dimensions
47.0 x 40.0 x 10.0 in
Weight
2 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.