5372677
Electronic Control Module Wiring Harness
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$7,099.95 $8,448.94

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

The 5372677 Electronic Control Module Wiring Harness is a specialized component designed for use in heavy-duty trucks. It serves as a vital link in the electrical system, facilitating communication between the Electronic Control Module (ECM) and various truck systems. Cummins, a well-established manufacturer in the automotive industry, produces this wiring harness. Known for its robust diesel engines and related components, Cummins has a reputation for quality and reliability 1.

Basic Concepts of Electronic Control Module Wiring Harness

An Electronic Control Module Wiring Harness is a collection of wires and connectors that transmit electrical signals between the ECM and other components within the truck’s electrical system. This harness includes various components such as wires, connectors, and terminals, each playing a specific role in ensuring the smooth operation of the truck’s electrical system. The integration with the ECM allows for precise control and monitoring of the truck’s functions, enhancing overall performance and efficiency 2.

Role of the 5372677 Electronic Control Module Wiring Harness in Truck Operation

The 5372677 Wiring Harness plays a significant role in the operation of a truck by enabling seamless communication between the ECM and various truck systems. This communication is crucial for the proper functioning of the engine, transmission, and other critical systems. The harness ensures that the ECM receives accurate data from sensors and can send appropriate signals to actuators, thereby maintaining optimal performance and efficiency 3.

Key Features

The 5372677 Wiring Harness boasts several key features that enhance its performance and durability. Its design incorporates high-quality materials resistant to wear and environmental factors, ensuring longevity. The harness is engineered with precision to fit snugly within the truck’s electrical system, reducing the risk of loose connections. Additionally, it includes unique attributes such as corrosion-resistant coatings and robust connectors, which contribute to its reliability and ease of maintenance.

Benefits of Using the 5372677 Wiring Harness

Incorporating the 5372677 Wiring Harness into a truck’s electrical system offers several benefits. It improves the efficiency of the electrical system by ensuring reliable communication between the ECM and other components. The harness enhances the reliability of the truck’s operation, reducing the likelihood of electrical failures. Furthermore, its design facilitates ease of maintenance, allowing for quick diagnosis and repair of any issues that may arise.

Installation Considerations

Proper installation of the 5372677 Wiring Harness is crucial for its effective operation. It is important to follow best practices, such as ensuring all connections are secure and properly routed to avoid damage from moving parts or heat sources. Common pitfalls to avoid include over-tightening connectors, which can lead to damage, and neglecting to protect the harness from sharp edges or excessive heat. Careful attention to these details during installation will ensure the harness functions as intended.

Troubleshooting Common Issues

Common issues with the 5372677 Wiring Harness may include loose connections, corrosion, or damage to the wires or connectors. Troubleshooting these issues involves inspecting the harness for any visible signs of wear or damage, ensuring all connections are secure, and cleaning any corroded terminals. Regular inspections and maintenance are important to identify and address potential issues before they lead to more significant problems.

Maintenance Tips

To ensure the longevity and optimal performance of the 5372677 Wiring Harness, periodic checks and care are recommended. This includes inspecting the harness for signs of wear, ensuring all connections are tight and clean, and protecting it from environmental factors such as moisture and extreme temperatures. Regular maintenance will help prevent issues and ensure the harness continues to function reliably.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the automotive industry, particularly known for its diesel engines and related components. With a history spanning over a century, Cummins has built a reputation for quality, innovation, and reliability. The company offers a wide range of products designed to meet the needs of various industries, from heavy-duty trucking to power generation. Cummins’ commitment to excellence is evident in its products, including the 5372677 Electronic Control Module Wiring Harness.

Electronic Control Module Wiring Harness (Part 5372677) Compatibility with Cummins Engines

The Electronic Control Module Wiring Harness (part number 5372677) is a critical component designed to ensure seamless communication between the engine’s electronic control module (ECM) and various sensors and actuators. This wiring harness is engineered to fit seamlessly with several Cummins engine models, ensuring reliable and efficient engine performance.

QSK38 CM2150 MCRS

The QSK38 CM2150 MCRS engine benefits from the precise electrical connections provided by the 5372677 wiring harness. This harness is specifically designed to interface with the ECM, ensuring that all necessary signals are transmitted accurately and without interference. The harness’s robust construction and precise wiring layout are critical for maintaining the engine’s operational integrity and performance.

QSK60 CM850 MCRS

Similarly, the QSK60 CM850 MCRS engine is equipped with the 5372677 wiring harness to facilitate the complex network of electrical signals required for its operation. This harness is engineered to handle the higher power demands and more intricate electronic systems of the QSK60 engine. The precise routing and secure connections provided by this wiring harness are essential for the engine’s reliable performance and longevity.

Grouping of Engines

Both the QSK38 CM2150 MCRS and QSK60 CM850 MCRS engines are part of Cummins’ lineup of high-performance, heavy-duty engines. The 5372677 wiring harness is designed to be compatible with these engines, ensuring that the electrical systems are properly integrated and functioning optimally. This compatibility is crucial for maintaining the engines’ efficiency, reliability, and overall performance.

Role of Part 5372677 Electronic Control Module Wiring Harness in Engine Systems

The part 5372677 Electronic Control Module (ECM) Wiring Harness is integral to the operation of modern engine systems. It serves as the vital link between the ECM and various engine components, facilitating the transmission of electrical signals that are essential for engine management.

Integration with Engine Components

  1. Sensors: The harness connects a multitude of sensors, such as the Mass Air Flow (MAF) sensor, Oxygen (O2) sensors, and Manifold Absolute Pressure (MAP) sensor, to the ECM. These sensors provide real-time data on air intake, exhaust emissions, and engine load, allowing the ECM to make precise adjustments to fuel delivery and ignition timing.

  2. Actuators: It also interfaces with actuators like the fuel injectors, throttle body, and variable valve timing (VVT) solenoids. The ECM sends control signals through the harness to these components, ensuring that fuel is injected at the correct time and in the right amount, the throttle is adjusted according to driving conditions, and the valve timing is optimized for performance and efficiency.

  3. Ignition System: The harness is responsible for connecting the ECM to the ignition coils. It transmits signals that determine the timing of spark delivery to the spark plugs, which is critical for combustion efficiency.

  4. Emission Control Systems: Components such as the Exhaust Gas Recirculation (EGR) valve and the Evaporative Emission Control (EVAP) system are also wired through this harness. The ECM uses data from these systems to reduce harmful emissions and comply with environmental regulations.

  5. Battery and Alternator: The harness includes connections to the battery and alternator, ensuring that the ECM receives a stable power supply. It also allows the ECM to monitor the charging system’s performance and adjust as necessary.

  6. Communication Networks: In many modern vehicles, the ECM Wiring Harness is part of a larger communication network that includes other control modules, such as the Transmission Control Module (TCM) and the Anti-lock Braking System (ABS) module. This network allows for coordinated control of various vehicle systems, enhancing overall performance and safety.

Conclusion

In summary, the part 5372677 ECM Wiring Harness is a fundamental component that ensures the seamless operation of the engine’s electronic systems. It enables the ECM to monitor and control a wide array of engine functions, contributing to optimal performance, fuel efficiency, and emissions control.


  1. Alma Hillier, Fundamentals of Motor Vehicle Technology Book 1 6th Edition, Oxford University Press, 2014.

  2. Yushu Wang, Introduction to Engine Valvetrains, SAE International, 2007.

  3. Angelina Eret, Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves, Springer Nature, 2024.

SPECIFICATIONS

Package Dimensions
109.5 x 20.7 x 15.0 in
Weight
3.85 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.