Can Corroded Cables Drain A Battery [Best Answer]

When it comes to your car, you know that there are a lot of different parts that need to work together in order for it to run properly. One of these parts is the battery, and it is important to make sure that it is always in good working condition. Unfortunately, there are a few things that can go wrong with a battery that can cause it to drain. One of these things is corrosion on the cables.

Corrosion can happen when the battery cables come into contact with water or other chemicals. This can cause the metal to break down and become weak. Over time, this can cause the cables to break or come loose from the battery. If this happens, it can cause the battery to lose power and eventually die.

In some cases, you may be able to clean the corrosion off of the cables and get them working again. However, in other cases, the damage may be too severe and you will need to replace the cables. If your battery is having trouble holding a charge or is dying quickly, it is a good idea to take a look at the cables to see if they are the problem.

How much does it cost to replace a corroded battery cable?

Assuming the corrosion is extensive and the battery cable needs to be replaced, the cost will vary depending on the make and model of the car. For example, a Honda Accord will have a different cost than a Ford F-150. The cost also depends on whether you do it yourself or have a professional do it.

If you do it yourself, you’ll need to purchase a new battery cable, which can cost anywhere from $30 to $100. You’ll also need some basic tools, such as a wrench and a screwdriver. The total cost, including the parts and tools, will be around $150.

If you have a professional do it, the cost will be higher. They will charge for labor, which can be anywhere from $50 to $100 per hour. The total cost will be around $200 to $300.

What are the signs of a bad battery cable?

Electrical problems can be some of the most difficult to diagnose and repair. Many times, a component will fail to work properly, but the root cause of the problem is not the component itself, but a bad connection. A loose or corroded battery cable is a common electrical problem that can be difficult to spot. Here are a few signs that your battery cables may be failing:

1. Intermittent starting problems. If your car starts fine most of the time but occasionally fails to start, it could be a sign of a loose or corroded battery cable. When the engine is cranking, the starter draws a large amount of current from the battery. If the connection between the battery and starter is not good, the starter may not get enough power to turn the engine over.

2. dim headlights. Another common symptom of bad battery cables is dim headlights. This is because the alternator charges the battery while the engine is running and the battery provides power to the headlights. If the connection between the battery and alternator is not good, the alternator may not be able to charge the battery properly and the headlights will be dim.

3. electrical accessories not working. If your car’s electrical accessories, such as the radio or power windows, stop working, it could be a sign of a bad connection between the battery and the accessory. The accessory may be drawing too much power from the battery and causing the voltage to drop.

4. engine stalls. A loose or corroded battery cable can also cause the engine to stall. This is because the engine needs a good connection to the battery to run properly. If the connection is not good, the engine may not get the power it needs and will stall.

5. battery drains quickly. If your battery seems to be draining quickly, it could be a sign of a bad connection between the battery and something else in the electrical system. A loose or corroded battery cable can cause a “parasitic draw” which means that current is being drawn from the battery even when the car is turned off. This can drain the battery quickly.

If you notice any of these symptoms, it is important to have your car’s electrical system checked by a qualified mechanic. They will be able to diagnose the problem and make the necessary repairs.

What happens if your battery cable is corroded?

If your battery cables are corroded, it can cause all sorts of problems with your car. The most obvious problem is that the car won’t start. The battery needs to be able to send an electrical current to the starter in order to get the engine going. If the cables are corroded, that current can’t flow properly and the engine won’t start.

Corroded battery cables can also cause your car to stall while you’re driving. If the cables are bad enough, they can cause an electrical short which will disable your car’s ignition system. This can be extremely dangerous if it happens while you’re driving on the highway.

If you notice that your battery cables are starting to corrode, you should replace them as soon as possible. Corroded cables can lead to all sorts of car problems, and it’s not worth risking your safety by driving with them.

Will corrosion keep a car from starting?

If your car won’t start, the first thing you should do is check the battery. If the battery is dead, it may be due to corrosion on the terminals. Corrosion can prevent the battery from starting the car.

If you find corrosion on the battery terminals, you can clean it off with a wire brush. Once the corrosion is removed, the battery should be able to start the car.

If the battery is not the problem, the next thing to check is the starter. If the starter is corroded, it may not be able to turn the engine over. The best way to test the starter is to have someone else turn the key while you listen for a clicking sound. If you don’t hear a clicking sound, the starter may need to be replaced.

If the starter is not the problem, the next thing to check is the fuel system. If the car is not getting fuel, it will not start. Check the fuel tank to make sure there is gas in it. If the tank is empty, fill it up and try to start the car again.

If the car still won’t start, the problem may be with the ignition system. The ignition system includes the spark plugs and the ignition coil. If the spark plugs are dirty, they may not be able to create a spark. The best way to clean the spark plugs is to use a wire brush.

If the problem is with the ignition coil, it may need to be replaced. The ignition coil is located under the hood of the car. If you are having trouble finding it, consult a mechanic.

If you have checked all of the above and the car still won’t start, the problem may be with the engine. The engine may be low on oil or the timing belt may be broken. If the engine is low on oil, add more oil and try to start the car again.

If the timing belt is broken, the engine will not start. The timing belt is located under the hood of the car. If you are having trouble finding it, consult a mechanic.


Hi, I'm the initiator and writer of this blog. Cars were and will be my first love, and my favorite hobby, that's why I decided to start this blog and write about my discoveries and techniques to improve my cars or repair them.