Diagnostics & Electrical Repair


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Our diagnostics and electrical repair services go beyond routine fixes, ensuring your truck's heartbeat remains strong. From battery replacements to alternator repairs, you can trust us to keep your heavy-duty vehicles powered and illuminated.
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Diagnostics and Electrical Services

Diagnostic Testing: Our diagnostic tests delve deep into your truck's electrical systems, pinpointing issues with precision. From identifying faulty sensors to uncovering wiring issues, our diagnostics services pave the way for accurate and efficient repairs.

Battery Repairs and Replacements: We specialize in comprehensive battery diagnostics, addressing issues such as corrosion, faulty connections, or worn-out batteries. Our expert technicians ensure your truck starts reliably every time.

Lighting System Repairs: A well-lit truck is a safe truck. Our electrical services extend to the lighting system, addressing issues with headlights, brake lights, and signal lights. We repair and replace bulbs, ensuring optimal visibility and compliance with safety standards.

Alternator and Starter Repairs: Our technicians excel in diagnosing and repairing issues related to these critical parts, ensuring your truck's engine starts smoothly and the electrical system functions optimally.

Average Lifespan of Truck Batteries

On average, heavy-duty truck batteries have a lifespan of 3 to 5 years. However, this can vary based on factors like climate, usage, and maintenance. Regular battery diagnostics and timely replacements are crucial to prevent unexpected breakdowns and ensure a reliable power source for your truck.

Common Electrical Issues in Trucks

Common electrical issues include faulty wiring, corroded connectors, and malfunctioning sensors. If you notice warning lights on the dashboard, flickering lights, or difficulty starting the engine, it's essential to address these issues promptly. Our diagnostic services can identify these problems, preventing more significant electrical issues down the road.

Reach Out Today

If you're experiencing electrical issues or need comprehensive diagnostic testing, don't hesitate to reach out. Contact RTC today to schedule services that keep your fleet running smoothly. Drive with confidence – choose RTC for all your diagnostic and electrical repair needs!

Areas We Serve

At RTC, we proudly extend a 100-mile radius of each of our shop locations.

  • Redmond, Oregon
  • Burlington, Wisconsin
  • Birmingham, Alabama
  • Portland, Oregon (Mobile Services Only)
  • Vancouver, Washington (Mobile Services Only)

For those located in these areas, you can count on our 24/7 mobile services and roadside assistance.

our repairs

Full-Service Repair Shop

At RTC, our repair services go beyond just fixing issues – we prioritize the safety and efficiency of your fleet. We're here to ensure confidence in your vehicle's. Trust us for all your truck repair maintenance needs.

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Axle Repair

Our repair services will enhance safety and improve efficiency on the road. Trust us for axle solutions that keep your trucks moving.

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Brake Repair

We're here to ensure confidence in your vehicle's stopping abilities. Trust us for all your truck brake maintenance needs.

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Coolant System Repair

We tailor services to ensure the longevity of your trucks. See how our coolant services can help boost your business.

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Performance ECM Tuning

Experience enhanced power, efficiency, and overall performance as we optimize your truck's engine to deliver peak performance.

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Diagnostics & Electrical Repair

From battery replacements to alternator repairs, we will keep your vehicles powered and illuminated.

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Driveline Repair

We specialize in prolonging the lifespan of your driveline components, ensuring your trucks operate with precision.

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Our EGR (Exhaust Gas Recirculation) and DPF (Diesel Particulate Filter) repairs ensure optimal performance of these components.

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Engine Repair, Rebuild, Overhaul & Conversion

From repairs to rebuilds, overhauls to conversions, we excel at diesel engine maintenance.

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Exhaust System Repair

Our exhaust system repairs & services go beyond mere maintenance—they ensure your fleet runs cleaner & more efficiently.

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HVAC System Repair

RTC is your trusted partner in maintaining a comfortable and efficient environment within your heavy-duty truck.

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Oil & Fluid

We specialize in expert oil and fluid services for heavy, medium, and light-duty trucks, ensuring peak performance.

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Suspension Repair

At RTC, we specialize in enhancing the performance and safety of heavy-duty, medium-duty, and light-duty trucks.

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Transmission & Clutch Repair

Our team provides comprehensive solutions for heavy-duty, medium-duty, and light-duty trucks.


customer insights

Great Company!  Experienced drivers and good communication . I hope we will continue to work together many many times . Thanks especially to Bill.  //  CARS HAULER


5 stars

"Great company with a diverse fleet to meet all your shipping and transportation needs."


5 stars

"Great company with outstanding leadership."


5 stars

"5 star! "

our locations


With our commitment to excellence and years of industry experience, you can trust us to deliver top-notch service and support no matter the location. Whether you're in need of routine maintenance or emergency repairs, our vast network ensures that help is never far away.