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Battery Light On? Dim Headlights? Car Died Right After a Jump?
It's Probably Your Alternator.

Matt comes to your driveway with the parts to fix it — $320 flat, parts + labor + travel included.

📞 Call Matt now — 601-896-4798 or text Matt

Matt replies within minutes during service hours.

⭐ 5-star reviews
⚡ $320 flat alternator replacement
🚐 Comes to you
What to look for

4 signs your alternator is failing

Battery / Charging Warning Light

The dashboard light shaped like a battery or tagged "ALT" or "GEN" means your alternator is no longer keeping the battery charged. Drive far enough and the car cuts off when the battery drains.

Headlights Dim at Idle, Brighter When Revving

At a stoplight your headlights go dull. Rev the engine and they come back. Classic sign the alternator output is dropping at low RPM — it can barely keep up at idle.

Jumped the Car and It Died Again Within 30 Minutes

You got a jump, drove to the shop or home, and an hour later it won’t crank again. The jump started it but the alternator wasn’t putting out enough charge to keep it running. Likely the alternator.

Weird Electrical Behavior — Radio Cuts Out, Windows Run Slow

Power accessories acting up — radio glitches, power windows slow or intermittent, interior lights flickering. When the alternator starts failing it can’t maintain stable voltage for the whole car.

Transparent pricing

What this costs

Charging system test FREE
Alternator replacement (parts + labor + travel) $320 flat
Serpentine belt $85–$140
Voltage regulator diagnostic $79
Battery replacement (if needed alongside) $180–$260
How it works

How Matt diagnoses your charging system on your driveway

1
Voltage at rest
Engine off, multimeter across the battery posts. A healthy battery shows 12.4–12.8V. Below 12V means it’s discharged or weak.
2
Voltage running
Engine at 2000 RPM, battery should read 13.8–14.4V. Below 13.5V means the alternator isn’t charging. Above 14.5V means overcharging — also bad.
3
Load test
With lights, HVAC fan, and rear defogger on, voltage shouldn’t drop below 13V. A significant drop under electrical load confirms the alternator can’t keep up.
4
Belt + connection inspection
Serpentine belt condition, tension, and electrical connectors checked. A slipping belt or corroded terminal can mimic alternator failure — sometimes it’s not the alternator at all.
What customers say

"Battery died in my driveway at 7am. Matt was there by 8:30, tested the alternator too, replaced the battery on the spot. Cheaper than I expected."

— Mike R., Fairfax

"Check engine light had been on for weeks. Matt ran the diagnostic for $79, explained every code in plain English, fixed the O2 sensor same day."

— Danielle K., Chantilly

"Matt showed up right on time, diagnosed the starter in 10 minutes, had the truck running before lunch. Way easier than a shop."

— Sarah M., Centreville
Common questions

Frequently asked

Is this the battery or the alternator?

A jump starts a dead battery, but it doesn't fix a bad alternator. If the car dies again shortly after a jump, it's almost certainly the alternator — the battery was fine, it just ran out of charge because the charging system wasn't refilling it. Matt does a no-charge diagnostic before you pay for any parts.

Can I drive it to you?

It depends how far gone the alternator is. If the battery light just came on and the car is still running fine, you probably have 15–30 minutes of driving left before it stalls. If it already died once or the headlights are dim, don't risk it — call or text Matt now and he'll come to you.

How long does the replacement take?

Most alternator replacements take 60–90 minutes once Matt is on-site with the right part. The diagnostic itself takes about 15 minutes.

Will you bring the alternator with you?

Matt carries common alternators for popular vehicles. If he has your vehicle's alternator in stock, he replaces it on the spot. If not, he diagnoses the issue, gives you a firm quote, and you decide — no pressure, no surprise bills.

What if it turns out to be just the battery?

Then it's the battery. Matt diagnoses first — you only pay for what actually needs fixing. If the battery is the culprit, a replacement is $180–$260 parts and labor, or the $89 load test if you just want the answer first.

Serving all of South Mississippi