PROFIX

Call us

+17082727000

Mon - Sat

09:00AM - 05:00PM

Semi-truck and trailer service in Illinois

1157 Reviews

[trustindex data-widget-id=fbf275642a4983191b963e60fe1]

Schedule an online appointment

    Schedule an online appointment

      Electrical Systems Repair in Channahon, Illinois – Commercial Truck Diagnostics & Wiring

      At Profix in Channahon, Illinois, we provide professional electrical system diagnostics and repairs for trucks, trailers, and commercial vehicles. Modern trucks rely on complex electronic systems — from lighting and charging to sensors, ECUs, and wiring harnesses. Using dealer-level scan tools and testing equipment, our technicians quickly identify faults and restore full system functionality.

      We fix everything from dead batteries and faulty alternators to blown fuses, shorts, malfunctioning trailer lights, and CAN bus issues. Whether you’re dealing with dash warning lights, intermittent power loss, or trailer light failures, Profix ensures your electrical system is safe, reliable, and DOT-compliant. We proudly serve drivers in Channahon, Joliet, Shorewood, and surrounding areas.

      Frequently Asked Questions (FAQ) – Electrical Systems

      We fix wiring faults, lighting problems, alternators, batteries, sensors, fuse boxes, and more.

      Yes. We use dealer-grade diagnostic software and scanners to read fault codes and identify complex electrical failures.

      Absolutely. We repair or replace trailer light systems, 7-pin connectors, and harnesses to meet legal and safety standards.

      Our team specializes in troubleshooting intermittent power issues, shorts, and communication failures within complex electrical systems.

      Do you have
      some questions?

      We take great pride in everything that we do, control over products allows us to ensure our customers receive the best quality service.

      Schedule an online appointment

        Call for support:

        +17082727000

        Email us:

        service@profixcorp.com

        ADDRESS

        24251 Riverside Dr, Channahon, IL 60410