Electrical issues or warning lights slowing you down? Our mobile and in-shop diagnostics and electrical repair quickly identify faults and restore your truck’s critical systems to keep you moving.
Diagnostic and Electrical Repair in Texas
Tall City Diesel Services provides heavy-duty diagnostic and electrical repair in Seminole and Midland, TX for trucks and fleets that need fast, accurate troubleshooting without the delay of a shop visit.
Our diagnostic and electrical repair services commonly include:
- Full system diagnostics and fault code reading
- Electrical system troubleshooting
- Battery testing and replacement
- Alternator inspection and repair
- Starter diagnosis and replacement
- Wiring repair and circuit restoration
- Sensor and module diagnostics
- Preventive electrical system inspections
Our mobile technicians use advanced diagnostic equipment to identify the root cause quickly. Whether it’s a failing alternator, damaged wiring, or a sensor malfunction, we perform on-site repairs to restore reliability and prevent further issues.
Heavy-Duty Diagnostics & Electrical Repair Shop Near Midland & Seminole
Some diagnostic and electrical repairs require the specialized equipment available in a fully equipped repair facility. Our shop at 1400 South Main Street in Seminole, TX serves commercial trucks, trailers, and fleets operating throughout Seminole, Midland, Odessa, Andrews, Hobbs, and the Permian Basin. With convenient access from US-180, SH-214, and SH-385, drivers can bring their vehicles to us for electrical troubleshooting, fault code diagnostics, and complex system repairs.
Working in the shop allows our technicians to perform comprehensive testing, trace electrical faults accurately, and verify repairs before your truck returns to service.
24/7 Mobile Truck Services
We come to you fully equipped to diagnose and repair the issue on-site, whether it’s roadside, at a lease road, or in your yard. The focus is simple: fix the problem where the truck sits and get it moving again.
What that means for you:
- 24/7 mobile truck body repair within a 100-mile radius of Seminole and Midland, TX
- On-site diagnostics and repair for trucks, trailers, and fleets
- Reduced downtime—no need to tow your truck to a shop
- Flexible service for roadside, yard, or job site repairs
Schedule Truck Electrical Repair Now: Call 432-201-9909!
If your truck is experiencing electrical issues or warning lights, don’t wait for a complete breakdown. Call 432-201-9909 now to schedule truck electrical repair. Tall City Diesel Services will come to your location, diagnose the issue, and get your systems back up and running.
FAQs
What Areas Do You Serve?
As well as Seminole and Midland, TX, we also proudly service Odessa, TX, Stanton, TX, Andrews, TX, Big Spring, TX, Crane, TX, Monahans, TX, Lamesa, TX, Rankin, TX, Kermit, TX, Colorado City, TX, McCamey, TX, Hobbs, NM, Snyder, TX, Pecos, TX, Brownfield, TX, and Fort Stockton, TX.
What Do Diagnostics Do?
Diagnostics identify issues within your truck’s systems by reading fault codes and analyzing performance data. This process helps pinpoint problems in areas like the engine, electrical system, or sensors, allowing for accurate repairs instead of guesswork.
How Do You Diagnose Electrical Problems In A Truck?
Electrical problems are diagnosed using specialized tools to test voltage, continuity, and fault codes. Technicians inspect wiring, connectors, batteries, and components like the alternator and starter to locate failures and determine the best repair solution.
How Can I Get in Touch?
If you need professional diagnostic and electrical repair, call 432-201-9909. Our team at Tall City Diesel Services is here to keep your trucks in top shape.

