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Johnny's AutomotiveJohnny's Automotive
Wauchula, FL

Alternator Repair at our Wauchula shop

Bring it to our Wauchula shop and we'll handle the alternator repair. Here's where to find us, when we're open, and how to book a time.

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Wauchula, FL201 North 6th AvenueBook a time online
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Where to find our Wauchula shop

Address, hours, and directions for the shop that handles your alternator repair.

Address

201 North 6th Avenue
Wauchula, FL 33873

Shop phone

(863) 222-3947

Hours

Monday
7:30 AM to 5:30 PM
Tuesday
7:30 AM to 5:30 PM
Wednesday
7:30 AM to 5:30 PM
Thursday
7:30 AM to 5:30 PM
Friday
7:30 AM to 5:30 PM
Saturday
Closed
Sunday
Closed

Recent Alternator Repair Work in Wauchula

Real jobs completed by our team in the Wauchula area

Our team

Our Team

September 2026

Why Is My Car Making a Whining Noise After a New Battery?

The Problem

The vehicle owner heard a whining noise and was informed by an auto store that the alternator was failing after having a new battery installed.

What We Found

The technician confirmed that the alternator was indeed failing, which was causing the whining noise.

The Fix

The team at our Wauchula shop removed the faulty alternator assembly and replaced it with a new one to restore proper function to the vehicle's charging system.

The Result

After the alternator replacement, the whining noise was eliminated, and the vehicle's charging system was functioning correctly.

Pro Tip

If you hear a whining noise after installing a new battery, it might be a sign of a failing alternator. Addressing it early can prevent further electrical issues and potential breakdowns.

FAQ

Alternator Repair in Wauchula: questions answered

Answered by our licensed technicians serving Wauchula.

How do you tell an alternator problem from a battery problem?

The battery has to start the car. The alternator has to keep it running and recharge the battery. We test each separately, then measure charging voltage with the engine running and the electrical load turned up. A car that starts fine but dies while driving is pointing at the alternator, not the battery.

Why do you check the belt and the cables first?

Because they fake it convincingly. A glazed belt, a weak tensioner, a corroded cable end, or a bad engine ground will all drop charging voltage and produce the same dash light and dim headlights. Those are quick to check and much cheaper to fix, so they get ruled out before we quote an alternator.

Is it safe to keep driving with the battery light on?

Plan on the car stopping, and not at a convenient spot. Shut off the radio, air conditioning, and anything else you do not need, and drive straight to a shop or have it towed. Once the battery is drained the engine stops, and on most vehicles so does the power steering assist.

Do I need a new battery too if the alternator failed?

Sometimes, and sometimes not. A battery that has been deeply drained several times can be permanently weakened, but plenty of them test fine after a proper recharge. We test it and tell you what it shows instead of bundling one in automatically.

Can an alternator be repaired instead of replaced?

On most vehicles on the road today, a new or remanufactured unit is the practical repair, and it is what our warranty covers. If a pulley, belt, or connection turns out to be the real fault, that is what we fix. We will tell you exactly what we are quoting and why before anything comes apart.

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ASE Certified Technicians

ASE certified techs working on your vehicle

Flexible Drop-Off Hours

Convenient service options

20+ Years

Decades of trusted service

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