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Johnny's AutomotiveJohnny's Automotive
Lake Wales, FL

Charging System Diagnosis at our Lake Wales shop

Bring it to our Lake Wales shop and we'll handle the charging system diagnosis. Here's where to find us, when we're open, and how to book a time.

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Lake Wales, FL323 North Scenic HighwayBook a time online
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Where to find our Lake Wales shop

Address, hours, and directions for the shop that handles your charging system diagnosis.

Address

323 North Scenic Highway
Lake Wales, FL 33853

Shop phone

(863) 268-8286

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

Charging System Diagnosis in Lake Wales: what you need to know

The charging system is five parts that can all impersonate each other. A battery, an alternator, the cables running between them, the grounds, and the belt turning the whole thing. When one of them is weak, what you notice at the key tends to look the same no matter which one it is, so testing them as a set is the only way to get an answer that holds up.

This visit is one bookable job with a fixed order. We start with state of charge, because a battery that has simply been run down reads very differently from one that is failing. Then a load test, which is the part that separates a battery holding voltage from a battery holding capacity. Then charging voltage, measured at idle and again with a real load on it: headlights, blower, rear defrost, everything the system has to keep up with on an actual drive.

Cables and grounds get a voltage drop check, which catches the connection that looks clean and still costs you volts on the way through. The belt and tensioner get eyes on them, since an alternator that isn't being turned properly can't charge properly. Last comes a drain check, so a car that's fine all day and dead by morning doesn't go home with a new part and the same problem.

This is the right test if you're on your second or third battery, if the battery light has come on, or if your mornings have started involving jumper cables. What you get back is the actual numbers next to what they should be, and one conclusion: which part is the problem, which parts tested fine, and what fixing it takes. Knowing what's healthy is worth as much as knowing what isn't.

FAQ

Charging System Diagnosis in Lake Wales: questions answered

Answered by our licensed technicians serving Lake Wales.

Can't I just get the battery tested free at a parts counter?

A counter test tells you about the battery and nothing else, which is fine when the battery really is the whole story. When it isn't, the new one goes right back into the conditions that finished the last one. Testing the system together is how you find out which of those you're dealing with.

How long does the whole test take?

Usually a single appointment. The exception is a drain that only shows itself after the car has sat for hours, which sometimes means leaving it overnight so the reading is real instead of theoretical.

My car starts fine. Is there any reason to test it?

If the battery has a few years on it, or you've been jump starting, yes. Testing while it still starts gives you a plan and a choice about timing. Testing after it strands you gives you neither.

Do I get the actual numbers or just a verdict?

The numbers. State of charge, what the load test showed, charging voltage at idle and under load, and the drain result, each one next to what it should be. The conclusion shouldn't be something you have to take on faith.

Does testing commit me to having the repair done here?

No. The test answers the question, and what you do next is a separate decision. Take the numbers home and think about it, come back another week, or have us handle it that day. All three are fine with us.

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20+ Years

Decades of trusted service