Truck Diagnostics & Electrical Repair Services in Charlton, MA

With years of expertise and state-of-the-art equipment, we ensure that your truck's electrical systems are diagnosed accurately and repaired efficiently. 

With years of expertise and state-of-the-art equipment, we ensure that your truck's electrical systems are diagnosed accurately and repaired efficiently. 

What Does a Heavy-Duty Truck's Electrical System Do?

The electronic control module (ECM) in a heavy-duty truck is responsible for powering various components and ensuring their optimal functioning. It plays a crucial role in providing electrical energy to essential systems such as the starter motor, alternator, battery, lights, and various electronic devices, as well as the engine's performance, emission systems, and other critical functions. 

What Does an Electrical and Diagnostic Service Involve?

When you bring your heavy-duty truck to C. M. T. S. for an electrical and diagnostic service, you can expect the following:

Comprehensive Electrical Inspections

Our expert mechanics conduct thorough inspections of your truck's electrical system to identify any potential issues or malfunctions.

Diagnostic Testing

Our team utilizes advanced diagnostic tools and equipment to pinpoint electrical problems accurately so they can be promptly resolved.

Wiring and Circuit Repairs

Our skilled mechanics can handle a wide range of electrical repairs, including fixing faulty wiring, repairing circuits, and replacing damaged components.

Battery Services

We offer battery testing, charging, and replacement services to ensure your truck's battery is in optimal condition.

Alternator and Starter Motor Repairs

If your truck is experiencing issues with starting or charging, our mechanics can diagnose and repair problems with the alternator and starter motor.

Lighting System Repairs

Whether it's headlights, taillights, or interior lights, we can repair or replace faulty lighting components to keep you safe on the road.

Electronic System Diagnostics

Our expertise extends to diagnosing and repairing electronic systems such as fuel injection systems, ABS, ECUs, and more.

Component Upgrades

If you're looking to enhance your truck's electrical system, we can help with component upgrades and installations, such as adding auxiliary lighting or improving audio systems.

Signs of Heavy-Duty Electrical System Failure

Understanding the signs of any issues that your heavy-duty truck’s electrical system may be experiencing is a crucial part of every driver's or fleet manager’s role. Be aware of the following: 

  • Dim or Flickering Lights
  • Slow or Difficult Engine Cranking
  • Unresponsive Electrical Components
  • Frequent Battery Drainage
  • Burning Smell or Smoke
  • Blown Fuses
  • Strange Noises from Electrical Components
  • Malfunctioning Gauges or Warning Lights
  • Electrical System Shortcomings
  • Intermittent or Complete Loss of Power
  • Electrical System Service Intervals

If you notice any of these in your heavy-duty truck, then it requires immediate attention from our skilled mechanics at C. M. T. S., Charlton, MA. Here, we can promptly diagnose and repair any electrical problems your vehicle may be experiencing.

Customer Reviews

Check out what our customers have to say about our services.

"Had some truck troubles so pulled in off the Pike...They Diagnosed my problem, were kind enough to take the time to get me back on my route. Very knowledgeable and extremely friendly. Thank you guys I'd give them 6 stars if I could!"
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Andrew Lewis

"This is my go to place for repairs. Very hard working talented group here that can fix just about anything. Been dealing with them for many years now and I can always count on excellent and friendly service here. They also do some fantastic historical record keeping to keep you up date with exactly what’s going on with your equipment."
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jbgearhead, Local Guide

"Excellent service and very friendly place to get my RV serviced."
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Morio Kubota

Contact us

Choose C. M. T. S. for all your heavy-duty diesel truck repair needs. Contact us today to schedule an appointment at our truck repair shop in Charlton, MA. We look forward to getting your truck moving again!