Mobile Electrical Systems Repair for Trucks and Trailers

Reliable Solutions for Complex Electrical Problems

Expert Electrical Repairs for Heavy-Duty Vehicles

Today’s trucks rely on sophisticated electrical systems to ensure performance, safety, and efficiency. When something goes wrong—whether it’s a dead battery, faulty wiring, or a starter issue—it can disrupt your operations and leave you stranded.



At Road Dog Mobile Repair, we specialize in on-site electrical repairs and diagnostics for heavy-duty vehicles, including semis, box trucks, trailers, and RVs. Our experienced mechanics bring the tools and expertise to solve electrical problems quickly and effectively, so you can get back on the road with confidence.

Our Electrical System Services

Starter and Alternator Repairs

Your vehicle’s starter and alternator are essential for reliable operation. We provide:


  • Starter repairs and replacements to get your engine running again.
  • Alternator diagnostics and repairs to restore battery charging and prevent power issues.
  • Testing and troubleshooting for electrical shorts and component failures.

Battery Services

Dead or underperforming batteries can cause major delays. We offer:


  • Battery testing to assess voltage and charging capacity.
  • Battery replacements with high-quality, heavy-duty models.
  • Inspections of terminals and connections to prevent corrosion and ensure reliability.

Wiring and Circuit Repairs

Damaged wiring can lead to electrical failures and safety risks. Our services include:


  • Wiring repairs and replacements for damaged or corroded connections.
  • Troubleshooting and fixing blown fuses and relays.
  • Lighting repairs, including headlights, taillights, and interior lights.


Diagnostics for Complex Electrical Issues

We use advanced diagnostic tools to identify and resolve even the most complicated electrical problems. Our diagnostic services include:


  • Testing for faulty sensors and modules.
  • Addressing issues with Electronic Control Units (ECUs).
  • Resolving fault codes related to electrical and communication errors.

Trailer Electrical Repairs

Trailers have unique electrical needs, and we handle repairs for:


  • Lighting systems, including brake lights, turn signals, and running lights.
  • Wiring harness inspections and repairs.
  • Fixing issues with electrical connectors to ensure proper function.

Signs of Electrical System Problems

Not sure if your truck’s electrical system needs repairs? Look for these warning signs:


  • Slow engine crank or failure to start: This often points to battery or starter issues.
  • Dim or flickering lights: A sign of alternator or wiring problems.
  • Burning smell: This could indicate damaged wiring or overheating components.
  • Faulty or non-functioning accessories: Malfunctioning windows, lights, or dashboard displays may signal a wiring or circuit issue.
  • Warning lights on the dashboard: Fault codes for electrical or sensor problems should be addressed promptly.



If you’re experiencing any of these symptoms, contact Road Dog Mobile Repair today for fast, reliable service.

A man wearing a hard hat and safety glasses is working on the engine of a truck.

Why Choose Road Dog Mobile Repair for Electrical Services?

1. On-Site Convenience

We bring the tools and expertise to you, eliminating the need for towing or lengthy waits at a repair shop.


2. Experienced Technicians

With over 10 years of experience, we have the skills and knowledge to solve a wide range of electrical problems in heavy-duty vehicles.


3. Advanced Diagnostics

Our team uses cutting-edge diagnostic tools to quickly pinpoint the cause of electrical issues, ensuring efficient and accurate repairs.


4. Transparent Pricing

We provide detailed, upfront estimates so you’ll never face unexpected charges.


5. Fully Insured for Peace of Mind

We’re insured for up to $2 million, so you can trust us to handle your vehicle with care.


Serving Tulsa and Beyond

We proudly offer electrical system repairs for heavy-duty vehicles in the following areas:


  • Tulsa
  • Broken Arrow
  • Sand Springs
  • Claremore
  • Rogers County


Get Back on the Road with Reliable Electrical Repairs



When electrical problems threaten to derail your plans, trust Road Dog Mobile Repair for fast, professional, and dependable service. Our experienced team is ready to solve your electrical challenges and keep your truck running smoothly.

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