Mobile Truck Diagnostics & Electrical Repair in San Diego, CA

When your truck’s electrical system fails, so does your productivity. Faulty alternators, wiring issues, or warning lights can lead to costly downtime. Our mobile truck diagnostics and electrical repair service provides fast, expert on-site solutions to keep your semi-truck moving.

Expert Semi-Truck Electrical Repair in San Diego, CA

Ed’s Heavy Mobile Repair provides electrical system repairs and diagnostics for all types of heavy-duty trucks, semi-trucks, and fleet vehicles. We use state-of-the-art diagnostic tools to troubleshoot engine faults, electrical failures, and computer system errors, ensuring your truck runs reliably. Our heavy-duty truck diagnostic and electrical repair services include:

  • Truck Engine Diagnostics & Fault Code Reading – Identifying sensor failures, fuel system issues, and powertrain malfunctions.
  • Battery Testing & Replacement – Ensuring your truck’s electrical system gets the power it needs.
  • Alternator & Starter Repairs – Fixing or replacing charging system components to keep your truck running.
  • Wiring Repairs & Electrical Troubleshooting – Fixing short circuits, damaged connectors, and corroded wiring.
  • ECM & Computer System Diagnostics – Checking your truck’s electronic control module (ECM) for programming or performance issues.
  • ABS System & Brake Sensor Repairs – Diagnosing and fixing brake system wiring and ABS sensor failures.
  • Lighting System Repairs – Fixing headlights, taillights, marker lights, and trailer wiring issues.

Signs You Need Electrical or Diagnostic Repairs

If you’re experiencing any of these truck electrical problems, our mobile repair team will diagnose and fix the issue quickly.

  • Dashboard Warning Lights – If your check engine, ABS, or battery light is on, you need an expert truck diagnostics scan.
  • Starting Issues – A bad alternator, weak battery, or damaged starter could be preventing your truck from starting.
  • Dimming or Flickering Lights – A sign of wiring problems, failing voltage regulators, or alternator issues.
  • Erratic Engine Performance – Hesitation, loss of power, or misfires could indicate sensor failures or ECM issues.
  • Non-Functioning Accessories – If your radio, GPS, or power windows are failing, you may have an electrical short or wiring problem.

What Makes Us Different?

Our mobile truck electrical repair and diagnostic services ensure your truck stays operational and free of electrical failures. At Ed’s Heavy Mobile Repair, we provide on-site diagnostic and electrical repairs, reducing downtime and keeping your truck running efficiently.

  • Certified Technicians – Our mechanics are ASE Certified and experienced with Cummins Engine, Paccar Engine, Allison Transmission, HVAC Systems, and Natural Gas Engines.
  • Advanced Diagnostic Equipment – We use the latest ECM and fault code scanners for accurate diagnostics.
  • Fleet & Individual Truck Services – Whether you need fleet-wide diagnostic services or a single truck electrical repair, we provide customized solutions.

Contact Us for Truck Electrical Repair Now: Call 858-334-8385!

Need semi-truck electrical repair or diagnostics? Call 858-334-8385 today. Our mobile truck repair service will come to your location for fast, expert service.

FAQs

What Areas Do You Serve for Electrical Repairs?

We provide truck electrical and diagnostic repair services in San Diego, CA, but offer mobile truck repairs to cities in California like Imperial County, Chula Vista, El Cajon, La Mesa, National City, Coronado, Encinitas, and Poway. Our mobile repair service ensures you get back on the road quickly.

How Do I Know If My Truck’s Alternator Is Failing?

Signs of a failing alternator include dim headlights, slow cranking, battery warning lights, and dead batteries. If you experience these issues, call us for a mobile alternator test and repair.

Can You Diagnose My Truck’s Check Engine Light On-Site?

Yes. We use advanced diagnostic scanners to read fault codes, identify sensor malfunctions, and provide repairs on the spot.

How Can I Get Truck Electrical Repair?

For semi-truck diagnostics or electrical repair, call 858-334-8385 to schedule a service. Our mobile truck repair team will come to your location and resolve the issue.

Book a Service

Quality Truck Repairs In San Diego, CA

Ignoring small truck issues can lead to costly breakdowns. At Ed’s Heavy Mobile Repair, we provide repairs to prevent major failures. Whether it’s worn-out brakes, engine trouble, or electrical malfunctions, we fix the problem before it worsens. Trust us to keep your truck in top shape.

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Kays Oshana

Broken oil pan repaired quick at the Otay landfill. Very fast turnaround thank you Ed!
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Cindy

Ed was great, the prices were reasonable and he fixed the issue. Will definitely be using him in the future.
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Guillermo Meneses

My experience with Ed was beyond excellent, he did such a great job with one of my trucks so definitely going back. Highly recommended!
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Contact Us

Serving San Diego and the Surrounding Areas

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858-334-8385
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service@edsheavymobile.com

Our Hours

5:00 AM to 5:00 PM
Monday to Friday

7:00 AM to 12:00 PM
Saturday & Sunday