Whether it’s a dead starter or faulty sensor, we take the guesswork out of electrical issues. We diagnose and repair heavy-duty trucks, trailers, fleets, RVs, heavy equipment, and buses with speed, accuracy, and the right tools.
Diagnostic and Electrical Repair in Beaufort, SC
Today’s diesel vehicles rely heavily on electronics—and when something goes wrong, pinpointing the issue fast is critical. At Carolina Truck Repair, we provide expert semi truck electrical repair and diagnostics for heavy-duty trucks, trailers, fleets, heavy equipment, and buses. From faulty sensors to full electrical failures, we locate the problem and get it fixed right the first time.
Our technicians diagnose and repair:
- Starter and alternator issues
- Battery failures or parasitic drain
- ECM-related problems and fault codes
- Sensor and wiring malfunctions
- Trailer light and power issues
- Charging and ignition system problems
We use OEM-grade software, scanners, and diagnostic tools to access engine codes, interpret data, and troubleshoot electrical faults on nearly every major diesel platform.
What Makes Us Different
Electrical problems are tricky—but we know how to find them. Carolina Truck Repair combines technical skill with advanced diagnostic equipment to give you fast answers and lasting solutions.
- We repair electrical systems on heavy-duty trucks, trailers, fleets, heavy equipment, and buses
- Our team uses the latest diagnostic tools for diesel systems
- We diagnose electrical faults others miss
- We service batteries, starters, alternators, sensors, and wiring
From chasing a blown fuse to troubleshooting a no-start condition, we take the time to find the root cause—not just treat the symptom.
Schedule Your Electrical Repair Now: Call 843-738-1472!
If your truck’s lights, sensors, or ignition system aren’t behaving as they should, don’t waste time troubleshooting on your own. Call 843-738-1472 and let our diagnostic specialists locate the issue fast.
FAQs
What Areas Do You Serve?
We are based at 40 Shanklin Rd, Beaufort, SC, 29906 near I-95 and I-21.
We proudly serve a 100-mile radius, including Charleston, SC; Savannah, GA; Hilton Head Island, SC; Walterboro, SC; and North Charleston, SC.
What Is Included in a Full Diagnostic Test?
A full diagnostic test scans the truck’s electronic control modules for trouble codes, monitors live sensor data, checks voltage signals, and verifies proper system operation. This helps us accurately locate issues and prevent further damage.
How Do I Know If I Have an Electrical Problem?
Common signs include dead batteries, dim or flickering lights, trouble starting, dashboard warning lights, or inconsistent accessory performance. Unresolved electrical issues can affect safety and engine performance if left unchecked.
How Can I Get Heavy-Duty Electrical Repair?
If you're dealing with an electrical issue or warning lights, call 843-738-1472 today. We'll scan, test, and repair your truck's electrical systems so you can get back to work without guessing what's wrong.
Don't Take our word for it.
Read Customer Testimonials.
"Took care of it right away and gave me some pointers. Great ppl. They will get u right"
"Brilliant with bigger trucks and heavy equipment. Highly recommend!"
"Very knowledgeable on big trucks and equipment. They are fair and reliable!"
Contact Us
Let us know what is going on with your vehicle, and we will get back to you soon with a quote.