5396726
Electronic Control Module Wiring Harness
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$2,699.95 $3,212.94

Non Returnable

FINAL SALE. No returns or exchanges.

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 5396726 Electronic Control Module (ECM) Wiring Harness by Cummins is a vital component in the operation of commercial trucks. This wiring harness facilitates the communication between the ECM and various sensors, actuators, and other electronic components within the truck’s electrical system. Its role is to ensure that the ECM receives accurate data and can effectively control the truck’s systems, contributing to overall performance and efficiency 1.

Basic Concepts of Electronic Control Module Wiring Harness

An Electronic Control Module Wiring Harness is a network of wires and connectors designed to link the ECM to other electronic components in a vehicle. The harness typically includes various wires, connectors, and protective sheathing. It functions by transmitting electrical signals and data between the ECM and other parts of the truck, such as sensors, actuators, and the engine control system. This ensures that the ECM can monitor and control the truck’s operations in real-time 2.

Role of the 5396726 Electronic Control Module Wiring Harness in Truck Operation

The 5396726 Wiring Harness plays a significant role in the overall operation of a commercial truck. It enables the ECM to communicate with various systems, including the engine, transmission, brakes, and emissions control systems. By providing a reliable pathway for electrical signals, the harness ensures that the ECM can accurately monitor sensor data and make necessary adjustments to the truck’s systems. This interaction enhances the truck’s performance, fuel efficiency, and emissions compliance 3.

Key Features of the 5396726 Wiring Harness

The 5396726 Wiring Harness is designed with several key features that enhance its performance and reliability. These include high-quality materials that resist corrosion and wear, robust connectors that ensure secure and stable connections, and a durable sheathing that protects the wires from physical damage and environmental factors. Additionally, the harness is engineered to meet stringent industry standards, ensuring compatibility and reliability in various truck models.

Benefits of Using the 5396726 Wiring Harness

Using the 5396726 Wiring Harness offers several benefits. It contributes to improved efficiency by ensuring that the ECM receives accurate and timely data from various sensors. This allows for precise control of the truck’s systems, leading to better fuel economy and performance. The harness also enhances reliability by providing a robust and durable connection between the ECM and other components. Furthermore, its design facilitates ease of maintenance, allowing for quick diagnosis and repair of any issues that may arise.

Installation Process

Proper installation of the 5396726 Wiring Harness is crucial for ensuring its optimal performance. The installation process involves several steps. First, ensure that the truck’s electrical system is powered down to prevent any risk of electrical shock or damage. Next, route the harness through the designated pathways, ensuring that it is securely fastened and protected from sharp edges or moving parts. Connect the harness to the ECM and other components using the provided connectors, ensuring that all connections are secure and properly aligned. Finally, test the harness to confirm that all connections are functioning correctly and that the ECM is receiving accurate data from the sensors.

Troubleshooting Common Issues

Common issues with the 5396726 Wiring Harness may include loose connections, damaged wires, or faulty connectors. To troubleshoot these issues, begin by inspecting the harness for any visible signs of damage or wear. Check all connections to ensure they are secure and properly aligned. Use a multimeter to test the continuity of the wires and verify that there are no breaks or shorts. If an issue is detected, repair or replace the affected section of the harness as necessary.

Maintenance Tips

To ensure the longevity and optimal performance of the 5396726 Wiring Harness, regular maintenance is recommended. Inspect the harness periodically for signs of wear, corrosion, or damage. Clean the connectors to remove any dirt or debris that may interfere with the connections. Protect the harness from physical damage by ensuring it is routed away from sharp edges and moving parts. Additionally, keep the harness dry and free from exposure to harsh chemicals or extreme temperatures.

Compatibility with Cummins Engines

The Electronic Control Module (ECM) Wiring Harness, part number 5396726, manufactured by Cummins, is designed to integrate seamlessly with a range of Cummins engines. This wiring harness is a critical component that ensures the proper electrical connection between the ECM and various engine sensors and actuators, facilitating efficient engine operation and diagnostics.

G855 CM558 and GTA855 CM558 (CM2358)

The G855 CM558 and GTA855 CM558 (CM2358) engines are part of Cummins’ lineup of heavy-duty diesel engines. These engines are known for their robust performance and reliability in demanding applications. The ECM Wiring Harness 5396726 is specifically engineered to fit these engines, ensuring that all necessary electrical connections are made without modification. This compatibility allows for smooth communication between the ECM and the engine’s various systems, enhancing overall engine performance and efficiency.

G101

The G101 engine is another model in Cummins’ extensive range of diesel engines. This engine is designed for applications requiring high power output and durability. The ECM Wiring Harness 5396726 is compatible with the G101 engine, providing a reliable and secure electrical connection that supports the engine’s advanced control systems. This ensures that the engine operates at peak performance while maintaining the integrity of its diagnostic and control functions.

By ensuring compatibility with these engines, the ECM Wiring Harness 5396726 plays a crucial role in maintaining the operational integrity and efficiency of Cummins’ heavy-duty diesel engines.

Understanding the Role of Part 5396726 Electronic Control Module Wiring Harness in Engine Systems

The part 5396726 Electronic Control Module (ECM) Wiring Harness is an essential component in the integration and operation of modern engine systems. This harness facilitates the communication and power distribution between the ECM and various engine components, ensuring seamless operation and optimal performance.

Integration with the Electronic Control Module Kit

The ECM Wiring Harness is designed to work in conjunction with the Electronic Control Module Kit. This kit typically includes the ECM itself, sensors, actuators, and other control units. The harness provides the necessary electrical connections that allow the ECM to receive data from sensors (such as the Mass Air Flow sensor, Oxygen sensor, and Manifold Absolute Pressure sensor) and send commands to actuators (like the fuel injectors, ignition coils, and variable valve timing solenoids).

Connection to the Harness

The harness component of the system is a network of wires and connectors that link the ECM to the broader engine management system. It includes main power cables, ground wires, and signal wires for data transmission. The harness is routed through the engine bay to ensure it is protected from heat, moisture, and physical damage, maintaining the integrity of the electrical signals.

Functionality within the Electronic Control Module Wiring System

Within the ECM Wiring system, the 5396726 harness plays a pivotal role in maintaining the flow of information and power. It ensures that the ECM can monitor engine parameters in real-time and make adjustments to fuel delivery, ignition timing, and other critical functions. The harness also supports diagnostic capabilities, allowing technicians to access fault codes and perform troubleshooting efficiently.

Conclusion

In summary, the 5396726 ECM Wiring Harness is a fundamental element that enables the ECM to effectively manage and control the engine’s operations, contributing to overall vehicle performance and reliability. Its compatibility with various Cummins engines ensures seamless integration and optimal performance, making it a critical component in the operation of commercial trucks.


  1. Denton, T., & Pells, H. (2022). Automotive Technician Training, Second Edition. Routledge.

  2. Brach, R. M. (2023). SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety. SAE International.

  3. Atkins, R. D. (2009). An Introduction to Engine Testing and Development. SAE International.

SPECIFICATIONS

Package Dimensions
23.5 x 23.63 x 7.38 in
Weight
9.15 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.