If you attempted to jump start your vehicle with the typical jump, start routine, and it did not crank, there still may be a few things you can do. In fact, it could just mean that the dead battery is not getting enough voltage from the good battery due to bad cables or a bad connection.
Add these troubleshooting tips to your growing knowledge of how to jump start a car safely.
- Try adjusting the cables to make sure you are getting a stable connection. Don’t worry if you see a few sparks. That is normal.
- Try disconnecting the negative cable from the dead cars engine block and moving the negative clamp to the ground post (-) of the dead battery.
- Try different cables. If you are using old jumper cables, it could just be that the cables are bad. This is a common problem with wires that are eight gauge or higher. The place inside the handle where the cable is clamped to the handle gets loose or corroded.
- Make sure that all electronics in the car are off. Also, remember to close the door, so that your dome light is not on when trying to crank the engine.
- Remove any corrosion or rust that you may have missed initially. Even if you have to use a nail file, do it to scrape off the corrosion until the lead posts are clean.
- If you see any smoke from the battery terminals or if the terminals get hot, this is also a sign of a bad connection and needs cleaning. In this case, you may need to remove the car’s battery cables to clean them correctly. Do not try to continue to crank the engine if the battery posts are smoking or you can damage the battery.
In most cases, you can revive a dead battery by jump-starting a car or use the troubleshooting tips to get it going again. If all else fails, call a tow or AAA to get on your way. In any event, you may also want to stop by your local auto parts store to have a quick diagnostic test run on your car battery for free.
Do not buy a new battery unless there is a problem with the old one and don’t be scammed by the guy selling the batteries. All batteries that are not fully charged will fail a battery test, even good batteries that have not had enough time to charge will fail so make sure they have plenty of time to recharge before testing.
A proper battery test should be done after the battery is fully charged to a minimum of 12 volts. If it will not charge, this means that the battery is bad.
Many people have purchased a new battery only to find out that the alternator in the car was the actual problem. If you are thinking of replacing this car with a new car or trading it in for a new car, then you will need to know how to get a fair offer for your vehicle.
Have any problems fixed first, or you may lose thousands of the trade-in value of your investment. Sometimes a poorly starting car is due to a hundred-dollar battery.
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We can even help you refinance your auto loan for a lower APR or set up a simple budget to save for a down payment. From helping you learn how to jump a car to financing your next vehicle, Valley Auto Loans is America’s favorite choice. Now you know how to jump start your car if the battery goes dead so it is a good idea to keep a good set of jumper cables in the trunk for other emergencies.