Unexplained power drops, flickering lights, or codes you can’t clear? DFS Truck & Trailer Repair delivers accurate diagnostics and skilled electrical repair to track down the problem and power your diesel back up.
Truck Electrical Repair and Diagnostics in Columbia, TN
Modern diesel trucks are packed with advanced electronics—and when something goes wrong, pinpointing the issue takes more than guesswork. DFS Truck & Trailer Repair specializes in truck electrical repair and diagnostics. Whether it’s a dead battery, ECM fault, lighting failure, or confusing fault code, we’ll get to the root of the problem. Our team uses industry-leading diagnostic software, combined with real-world repair experience, to handle everything from wiring to sensors to full system resets.
Our diagnostic and electrical services include:
- Check engine light and fault code diagnostics
- Battery, alternator, and starter testing
- Electrical short tracing and circuit testing
- Trailer light system diagnostics and rewiring
- Wiring harness repairs and replacements
What Makes DFS Truck & Trailer Repair Different
Electrical work is what DFS Truck & Trailer Repair does best. Many shops treat electrical issues as secondary or pass them off—we lean into them. From dash lights to trailer connection problems, our techs are trained to isolate faults efficiently and fix them right the first time.
Our shop, conveniently located off I-65 in Columbia, TN, is equipped with advanced scan tools compatible with Cummins, Detroit, PACCAR, CAT, Navistar, and other major diesel platforms. But tools alone aren’t enough—you need a technician who knows how to use them. That’s where DFS excels. If you're stuck roadside, our 24/7 mobile team can bring diagnostic tools directly to you.
Contact Us About Electrical Repair Now: Call 844-299-8123!
Have electrical issues or warning lights on your dash? Call 844-299-8123 to schedule diagnostics and electrical repair with DFS Truck & Trailer Repair in Columbia, TN. We’ll get to the root of the problem—and fix it right.
FAQs
What Areas Do You Serve For Electrical Diagnostics?
As well as Columbia, TN, we provide electrical services in: Mount Pleasant, Santa Fe, Chapel Hill, Lewisburg, and Nashville.
What causes frequent blown fuses or shorts in a truck?
Frequent fuse blows or shorts usually point to a damaged wire, corroded connector, or overloaded circuit. Proper diagnostics are essential to prevent ongoing failures or safety risks.
Can you diagnose trailer ABS or light issues?
Yes, we specialize in trailer electrical repairs, including ABS systems, lighting circuits, plug wiring, and ground faults. We can test and repair connections to ensure full DOT compliance.
How Can I Get Electrical Repair?
Call 844-299-8123 to schedule full-system electrical diagnostics or mobile troubleshooting. DFS Truck & Trailer Repair will find and fix what others might miss.
Comprehensive Semi Truck Repairs In Columbia, TN
When it comes to truck repairs, DFS Truck & Trailer Repair understands how critical it is to fix component damage quickly and correctly to keep your rig running strong.
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Testimonials
Check out what our recent customers have to say!
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