Why doesn’t my K2500 battery stay charged?

A battery that won't hold a charge is almost as good as dead. It may be getting 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 to learn more about the state of your battery.

What do you do with my dead K2500 battery?

We’ll recycle your car battery for you!

How much do DieHard batteries cost for your GMC K2500?

GMC K2500 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 often should I replace my car battery?

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 K2500’s battery post?

A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your K2500 car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.

How do I clean a corroded K2500 battery terminal?

Regularly inspecting and cleaning your battery terminals will help keep your K2500’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 K2500?

When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install K2500 batteries at our stores nationwide — and our Firestone Direct mobile vans can provide convenient on-site battery services. Learn more about our mobile battery services and book an appointment.

1985 GMC K2500 Car Batteries

Get a New GMC Battery

Get a Battery for Your GMC K2500

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 1985 GMC K2500 today and schedule a quick installation at Firestone Complete Auto Care.

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1985 GMC K2500 Battery Replacement & Size

Not sure what battery to get for your GMC K2500? Check the chart to find the right car battery size and cold cranking amps for your K2500.

Battery	Engine	Warranty		Cold Cranking Amps
75-2	V6/4.3L	Replacement 24 months	Performance months	650
78FT-2	V6/4.3L	Replacement 36 months	Performance months	800
78-AGM	V6/4.3L	Replacement 36 months	Performance months	740
75-2	L6/4.8L	Replacement 24 months	Performance months	650
78FT-2	L6/4.8L	Replacement 36 months	Performance months	800
78-AGM	L6/4.8L	Replacement 36 months	Performance months	740
75-2	V8/5.7L	Replacement 24 months	Performance months	650
78FT-2	V8/5.7L	Replacement 36 months	Performance months	800
78-AGM	V8/5.7L	Replacement 36 months	Performance months	740
78-1	V8/6.2L	Replacement 24 months	Performance months	700
78FT-2	V8/6.2L	Replacement 36 months	Performance months	800
78-AGM	V8/6.2L	Replacement 36 months	Performance months	740

BATTERIES
V6/4.3L - Battery: 75-2 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 650
V6/4.3L - Battery: 78FT-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V6/4.3L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740
L6/4.8L - Battery: 75-2 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 650
L6/4.8L - Battery: 78FT-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
L6/4.8L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740
V8/5.7L - Battery: 75-2 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 650
V8/5.7L - Battery: 78FT-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/5.7L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740
V8/6.2L - Battery: 78-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 700
V8/6.2L - Battery: 78FT-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/6.2L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740

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Buying a Replacement Battery for GMC K2500

You can pretty much drive your GMC K2500 until you don't want to anymore. But your K2500's battery? Don't count on it to last forever. Generally, car batteries last from three to five years. You want to replace your 1985 GMC K2500 battery before it fails and leaves you stranded. Watch for signs that your current battery is getting too old or too weak. A slow engine crank, a blinking battery or check engine light, bloated battery case, corroded battery terminals, or dim headlights can all signal that your battery needs attention.

You can also get a Free Battery Test at your local Firestone Complete Auto Care. With computerized testing we can see how much charge is left in your battery. Visit us for a complimentary battery check and, if needed, a replacement battery for your 1985 GMC K2500. Automotive batteries are just one of our many areas of expertise. Our technicians are well-acquainted with GMC’s service specs for K2500 battery CCAs and reserve capacity. Get help choosing the battery size that's best for your K2500, and schedule a weekday or weekend battery replacement service for your car.

Is There a DieHard Battery for K2500s?

We only want what’s best for your GMC K2500, which is why we exclusively carry the best. Your K2500 needs a reliable, durable and powerful battery in even some of the toughest conditions. DieHard batteries go above and beyond using the latest innovative technology to satisfy the growing power needs of modern vehicles Don't call a DieHard battery ordinary. It's an extraordinary battery. Choose a DieHard battery for your GMC K2500 and drive with confidence knowing that performance will be there when you're counting on it. That's the kind of battery we deliver.

Caring for a New GMC K2500 Battery

Got a new car battery installed in your 1985 GMC K2500? Good thinking! Give your new car battery the best start with proper care. turning off all of the lights when you leave your vehicle, decreasing the number of short trips you take, keeping the battery posts corrosion-free, and not using electronics such as the radio and power outlets when the engine is off.

Answers to Your K2500 Car 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 GMC K2500 battery, stop by your nearest store. Our expert techs have the answers you need.

Why doesn’t my K2500 battery stay charged? A battery that won't hold a charge is almost as good as dead. It may be getting 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 to learn more about the state of your battery.
What do you do with my dead K2500 battery? We’ll recycle your car battery for you!
How much do DieHard batteries cost for your GMC K2500? GMC K2500 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 often should I replace my car battery? 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 K2500’s battery post? A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your K2500 car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.
How do I clean a corroded K2500 battery terminal? Regularly inspecting and cleaning your battery terminals will help keep your K2500’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 K2500? When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install K2500 batteries at our stores nationwide — and our Firestone Direct mobile vans can provide convenient on-site battery services. Learn more about our mobile battery services and book an appointment.