Why doesn’t my Bronco battery stay charged?

A battery is in its final hour when it will no longer hold a charge. The battery may be too old. Or, you may have a habit of leaving your car doors open and the lights on overnight. Stop by for a complimentary battery check at your local Firestone Complete Auto Care and learn more about your battery's charge.

What happens to my old Bronco battery?

We recycle it, taking care of both your car and the Earth.

What’s the cost of DieHard batteries for Ford Broncos?

Ford Bronco batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.

How long is a car battery good for?

The typical 12-volt car battery may last three to five years, depending on the type of battery, the driving conditions, and how well the battery is maintained.

Why is there white, crusty buildup on my Bronco’s battery post?

The white, crusty stuff that can accumulate around Bronco car battery terminals is called corrosion. It is caused by a chemical reaction between the battery acid and the air, which creates a white, powdery substance that can build up on the terminals over time. Corrosion can interfere with the flow of electricity between the battery post and the car's electrical system, sometimes leading to poor electrical performance, difficulty starting, and even premature battery failure.

What do I do about corrosion on my Bronco car battery?

Regularly inspecting and cleaning your battery terminals will help keep your Bronco’s electrical system running smoothly. Before cleaning, reference your owner’s manual for instructions on how to disconnect the battery cables. Once the cables have been disconnected, gently clean the terminals with a mixture of water and baking soda, a wire brush, and a rag.

Where can I find a battery for my Bronco?

Your local Firestone Complete Auto Care sells and installs Bronco batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.

1991 Ford Bronco Batteries

Get a New Ford Battery

Get a Battery for Your Ford Bronco

Don't let a failing battery slow you down. Shop replacement batteries for 1991 Ford Broncos today and schedule a quick installation at Firestone Complete Auto Care.

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The Right Battery Size for a 1991 Ford Bronco

Need more info about Ford Bronco batteries? Use the following chart to find information on Ford Bronco battery size and cold cranking amps.

Battery	Engine	Warranty		Cold Cranking Amps
65-1	V8/5.0L	Replacement 24 months	Performance months	850
65-2	V8/5.0L	Replacement 36 months	Performance months	850
65-AGM	V8/5.0L	Replacement 36 months	Performance months	750
65-1	V8/5.8L	Replacement 24 months	Performance months	850
65-2	V8/5.8L	Replacement 36 months	Performance months	850
65-AGM	V8/5.8L	Replacement 36 months	Performance months	750
65-1	L6/4.9L	Replacement 24 months	Performance months	850
65-2	L6/4.9L	Replacement 36 months	Performance months	850
65-AGM	L6/4.9L	Replacement 36 months	Performance months	750

BATTERIES
V8/5.0L - Battery: 65-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 850
V8/5.0L - Battery: 65-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850
V8/5.0L - Battery: 65-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 750
V8/5.8L - Battery: 65-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 850
V8/5.8L - Battery: 65-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850
V8/5.8L - Battery: 65-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 750
L6/4.9L - Battery: 65-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 850
L6/4.9L - Battery: 65-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850
L6/4.9L - Battery: 65-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 750

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Buying a Replacement Battery for Ford Bronco

Your Bronco doesn't have an expiration date, but its battery does. On average, auto batteries last anywhere from three to five years. Check your battery regularly and replace it as needed so it doesn’t leave you and your Ford Bronco stranded. Watch for signs that your current battery is getting too old or too weak. A lagging starter, an illuminated battery or check engine light, bloated battery case, corroded battery terminals, or weak lights can all be signs that your battery is on its last leg.

Plus, at Firestone Complete Auto Care, we’ll test your battery for free. With computerized testing we can see how much charge is left in your battery. Stop by for a free battery test and, if needed, get your Ford Bronco a replacement battery. Automotive batteries are just one of our many areas of expertise. Our technicians are well-acquainted with Ford’s service specs for Bronco battery CCAs and reserve capacity. Get help choosing the battery size that matches your vehicle, and schedule an appointment today for a quick car battery replacement.

Find the Right DieHard Battery for Your Bronco

We only want what’s best for your Ford Bronco, which is why we only carry top-of-the-line replacement parts and batteries. You need a reliable, durable and powerful battery that can handle most extreme environments and weather conditions. DieHard batteries go above and beyond using the latest innovative technology to satisfy the increasing power requirements of new vehicles and their accessories. They're no ordinary battery, they're extraordinary. Go with a DieHard battery for your Bronco and drive with confidence knowing that performance will be there when you're counting on it. That's the kind of battery we deliver.

After Buying 1991 Ford Bronco Battery

Got a new car battery installed in your 1991 Ford Bronco? Good thinking! You can give your new battery a head start with proper care and attention. flipping the dome lights and headlights off when exiting the car, limiting short trips, keeping your battery posts clean, and not using electronics such as the radio and power outlets when the engine is off.

Commonly Asked Bronco Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a battery question that's unique to your Ford Bronco battery, stop by your nearest store. Our technicians are happy to help.

Why doesn’t my Bronco battery stay charged? A battery is in its final hour when it will no longer hold a charge. The battery may be too old. Or, you may have a habit of leaving your car doors open and the lights on overnight. Stop by for a complimentary battery check at your local Firestone Complete Auto Care and learn more about your battery's charge.
What happens to my old Bronco battery? We recycle it, taking care of both your car and the Earth.
What’s the cost of DieHard batteries for Ford Broncos? Ford Bronco batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.
How long is a car battery good for? The typical 12-volt car battery may last three to five years, depending on the type of battery, the driving conditions, and how well the battery is maintained.
Why is there white, crusty buildup on my Bronco’s battery post? The white, crusty stuff that can accumulate around Bronco car battery terminals is called corrosion. It is caused by a chemical reaction between the battery acid and the air, which creates a white, powdery substance that can build up on the terminals over time. Corrosion can interfere with the flow of electricity between the battery post and the car's electrical system, sometimes leading to poor electrical performance, difficulty starting, and even premature battery failure.
What do I do about corrosion on my Bronco car battery? Regularly inspecting and cleaning your battery terminals will help keep your Bronco’s electrical system running smoothly. Before cleaning, reference your owner’s manual for instructions on how to disconnect the battery cables. Once the cables have been disconnected, gently clean the terminals with a mixture of water and baking soda, a wire brush, and a rag.
Where can I find a battery for my Bronco? Your local Firestone Complete Auto Care sells and installs Bronco batteries in your neighborhood. Our Firestone Direct mobile vans can even come to you and do it! Learn more about mobile battery services.