At Fitz’z, it’s not about the cars –
It’s about the people who drive them!
Monday to Friday
From 8:00am – 4:30pm
If you’ve ever turned your key and heard nothing but a faint click, watched your dashboard lights flicker like a strobe, or found your battery dead for the third time this month, you know how frustrating auto electrical problems can be. At Fitz’z Automotive Service in Lemay, MO, we’ve been solving these exact headaches for drivers across South St. Louis County for over three decades. As a family-owned shop right here on South Broadway—just minutes from Jefferson Barracks Park and the heart of the Lemay community—we understand that electrical issues can leave you stranded and uncertain about where to turn for honest, capable help.
Modern vehicles rely on increasingly complex electrical systems to manage everything from engine timing and fuel delivery to advanced driver-assistance features and infotainment. When something goes wrong in these interconnected circuits, pinpointing the root cause requires specialized diagnostic tools, deep technical knowledge, and real-world experience. That’s exactly what our team delivers every day. Whether you drive a late-model European sedan, a dependable Asian import, a domestic truck, or even a beloved classic car, Fitz’z Automotive Service has the expertise and equipment to diagnose and repair your vehicle’s electrical system correctly the first time. We proudly serve as Lemay’s trusted dealership alternative—offering the same caliber of service without the dealership price tag.
Electrical problems are among the most challenging issues in automotive repair. A single faulty ground wire can trigger a cascade of symptoms—from intermittent warning lights to complete system failures. At Fitz’z Automotive Service, we use factory-level scan tools, oscilloscopes, and wiring diagrams to trace every electrical concern back to its true source. We don’t guess, and we don’t throw parts at the problem. Every repair begins with a thorough, methodical diagnostic process that saves you time and money.
For over 30 years, families throughout Lemay, Mehlville, Oakville, and greater South St. Louis County have trusted Fitz’z Automotive Service to keep their vehicles running safely and reliably. We’ve built our reputation on honest communication, fair pricing, and technical excellence. As the automotive repair industry regulatory framework continues to evolve, we stay informed and equipped to service vehicles with the latest technology—ensuring you always have a choice beyond the dealership for high-quality electrical work.
From Ford and Chevrolet to Toyota, Honda, and Cadillac, each manufacturer designs its electrical architecture differently. Our master technicians are trained and experienced across all major makes and models, giving us the ability to accurately diagnose and repair platform-specific electrical issues that many general shops simply aren’t equipped to handle.
A dead battery doesn’t always mean you need a new battery. We perform comprehensive load testing on your battery, alternator, and starter motor to identify the weak link in your charging system. Our testing process ensures you replace only what’s actually failed—nothing more, nothing less.
Rodent damage, corrosion from Missouri’s humid summers and salt-laden winters, and age-related insulation breakdown are common culprits behind wiring failures. We meticulously trace and repair damaged wiring harnesses, replace blown fuses and faulty relays, and restore your vehicle’s electrical integrity.
Advanced Driver Assistance Systems—including lane departure warning, adaptive cruise control, and automatic emergency braking—require precise electronic calibration after windshield replacements or collision repairs. We also diagnose and repair airbag system faults, ensuring your safety systems are fully operational.
Transparency is at the core of everything we do. Every vehicle that comes through our shop receives a comprehensive Digital Vehicle Inspection. We photograph and document our findings, then send the report directly to your phone or email. You see exactly what we see—no surprises, no hidden agendas. This empowers you to make informed decisions about your vehicle’s care.
Parasitic battery drains—often called “ghost draws”—are notoriously difficult to diagnose. A vehicle that’s dead after sitting overnight often has a module that isn’t going to sleep or a short circuit drawing current when the car is off. Our technicians use precise amperage testing and systematic circuit isolation to identify and eliminate these hidden drains.
Before any wrench turns, you receive a clear, detailed estimate explaining the recommended repairs, the parts involved, and the associated costs. We believe you deserve to understand every dollar you spend, and we never proceed with additional work without your approval.
We use OEM-quality and manufacturer-recommended parts to ensure lasting repairs. Our technicians hold advanced certifications and participate in ongoing training to stay current with rapidly evolving vehicle technology. Every repair is performed to the highest professional standards.
Since 1988, Fitz’z Automotive Service has been a cornerstone of the Lemay community. We’ve watched families grow up, helped teenagers maintain their first cars, and kept local businesses’ fleets on the road. Our longevity speaks to our commitment to doing right by every customer who walks through our door.
We invest heavily in the latest diagnostic technology, including factory-level programming tools, advanced multimeters, and thermal imaging equipment. This investment allows us to service the newest vehicles on the road with the same precision as the dealership—at a fraction of the cost.
Vehicle theft and attempted break-ins can leave your ignition system, steering column wiring, and immobilizer modules damaged or compromised. We have extensive experience repairing theft-related electrical damage, reprogramming keys and immobilizers, and restoring your vehicle to full functionality.
Every repair we perform is backed by our commitment to getting it right. We stand behind our work and are dedicated to ensuring you leave our shop confident in your vehicle’s reliability and safety.
From personal daily drivers to commercial work trucks and fleet vehicles, we provide the same thorough electrical diagnostics and dependable repairs. Local businesses count on us to minimize downtime and keep their operations moving.
Don’t Just Take Our Word For It!






Before any wrench turns, you receive a clear, detailed estimate explaining the recommended repairs, the parts involved, and the associated costs. We believe you deserve to understand every dollar you spend, and we never proceed with additional work without your approval.
While our shop calls Lemay home, we proudly serve drivers from Mehlville, Oakville, Affton, Concord, South City St. Louis, and communities throughout South St. Louis County. Customers travel from across the metro area because they trust our expertise and value our honest approach.
Located on South Broadway, our shop is easily accessible from Jefferson Barracks, Lemay Ferry Road, and Interstate 55. Whether you’re a veteran visiting the VA or a local resident heading to Hancock Place, we’re right in the neighborhood and ready to help.
Common symptoms include dim or flickering headlights, slow engine cranking, a dashboard battery warning light, and electrical accessories that behave erratically. If your vehicle has needed a jump start more than once, it’s time for professional testing.
Dashboard flickering can indicate a failing alternator, a loose battery connection, a bad ground, or a failing instrument cluster. A computerized diagnostic scan is the fastest way to isolate the cause and prevent further damage.
Simple issues like a dead battery or blown fuse can be diagnosed in under an hour. More complex problems—such as intermittent shorts or parasitic drains—may require several hours of systematic testing. We always keep you updated on our progress and findings.
Absolutely. Our team has extensive experience working on classic and vintage vehicles, including rewiring, upgrading charging systems, and troubleshooting original factory electrical components. We treat every classic car with the care and respect it deserves.
Don’t let an electrical problem leave you guessing—or stranded. Call Fitz’z Automotive Service today to schedule a comprehensive electrical diagnostic. Our friendly team is ready to answer your questions and get you on the schedule quickly.
Stop by our shop on South Broadway in Lemay, MO. Whether you need a quick battery test or a full electrical system overhaul, our experienced team is here to deliver honest, expert service—just as we have for over 30 years. We look forward to earning your trust and keeping you safely on the road.