ELECTRICAL REPAIR

Advanced Electrical Repair in Louisville, KY

Modern vehicle electronics demand more than guesswork. They require accuracy, insight, and a team that takes the time to do it right. At Barnes Auto Service, our ASE-certified technicians don’t just chase symptoms; we uncover the real issue and deliver dependable repairs. Whether it’s a faulty sensor, a flickering dash light, or a dead power window, we bring precision and pride to every job because great repairs begin with great attention to detail.

Powering Your Safety:Why Electrical Health Is Essential

Today’s vehicles rely more on electronic systems than ever before. From power windows to advanced sensors, modern cars are built on technology, and when something goes wrong, it can affect performance, comfort, and safety. Ignoring minor electrical problems can quickly lead to battery drain, failed components, or critical system malfunctions.

Whether you’re driving a domestic, European, Asian, hybrid, or diesel vehicle, Barnes Auto Service provides the kind of expert electrical repair that Louisville drivers have trusted for over 40 years.

Our Full Electrical Repair Services

We deliver complete auto electrical repair using OEM-compatible tools and years of experience. No guesswork, no unnecessary part swaps, just smart, transparent diagnostics and reliable repairs.

Electrical System Diagnostics

We use advanced scan tools and multimeters to test voltage, continuity, and system performance across all major systems, pinpointing problems accurately from the start.

Battery Testing & Replacement

We evaluate capacity, charge level, and voltage drop. If your battery is weak or failing, we’ll install a dependable, vehicle-specific replacement that’s built to last.

Starter & Alternator Service

Our technicians test current draw, load, and charging efficiency to verify function. If replacement is needed, we use trusted parts for long-term reliability.

Fuses, Relays & Circuit Repair

We inspect for blown fuses, bad grounds, and faulty relays, replacing components with OEM-quality parts to restore electrical performance quickly and correctly.

Lighting Repair (Headlights, Brakes, Turn Signals)

We diagnose issues with wiring, switches, or bulbs and restore full lighting functionality, keeping you safe and street-legal at any time of day or night.

Wiring Harness Repair & Replacement

Our team traces corroded, frayed, or disconnected wires that interrupt communication between systems, and we repair or replace the harness for full connectivity.

Power Window, Lock & Accessory Electrical Repair

From failing switches to sluggish motors, we restore comfort features like locks, windows, sunroofs, and mirrors so everything works just the way it should.

Sensor & Module Testing

We test and validate critical sensors and control modules for accuracy, voltage consistency, and proper network communication, avoiding unnecessary replacements.

Car Key & Remote Programming

Lost your key fob or need a new one programmed? We offer in-house key and remote programming for select models, including Toyota, Honda, Ford, and Chevy, using dealer-grade tools to ensure compatibility and performance.

Customer-FriendlyAmenities

Maggie gives these extras two paws up.

Text-to-Pay

24-Hour Drop-Off & Pick-Up

Waiting Room with Free Wi-Fi – Pet Friendly

CFNA Financing Options

Towing Partner: Advantage Towing – (502) 749-2233

10% Discount for First Responders, Teachers, Nurses, Police & Military

The Barnes Auto Difference:Electrical Repair with Care and Integrity

We don’t just fix wires. We solve problems with precision, integrity, and a customer-first mindset.

Elite Certifications & National Recognition

Our crew includes 3 ASE Master Technicians, every tech ASE-certified, plus a national Auto Value award winner. Top ASE shop in Louisville? That’s us.

Clarity Comes Standard

Digital Vehicle Inspections (DVIs) include photos and full explanations so you can make informed decisions without pressure.

Rooted in Louisville, Built on Trust

As a Neighborhood Favorite and second-generation shop with 40+ years in business, our reputation is built on transparency and consistent care.

Comfort Meets Confidence

From easy financing and towing support to a 2-year/24,000-mile warranty, we’ve got your back before and after the fix.

Better Tools, Better Diagnoses

We use dealership-grade diagnostics, without the dealership runaround, in a clean, climate-controlled facility.

Straightforward Payments

We offer easy, convenient payment options with no credit card processing fee.

We are the bestOf The Best

Don’t just take our word for it—see why we’re Louisville’s top-rated auto shop! Check out our reviews and hear from satisfied customers who trust us to keep their vehicles running smoothly.

Let’s Solve That Electrical Issue.Book Your Appointment Today

Unexpected electrical issues can be stressful, but at Barnes Auto Service, we make the fix easy. Whether you’re in Louisville, Mt. Washington, or Prospect, our ASE-certified team is here to help with diagnostics and repairs powered by care and precision.

Call 502-966-8644, visit 3800 Bishop Lane, Louisville, KY 40218, or book online. At Barnes, the difference between good and great is just a little extra effort, and you’ll feel that difference the moment you walk through our doors.