![]() Either way, you want to make sure you don’t accidentally short the battery out by having the positive clamp or cable come in contact with anything metal on the car. ![]() But while that’s fairly easy to do with top-post batteries and their large clamps, it’s trickier with side-post batteries, which have much smaller clamps. In some cases, you can simply connect another 12-volt battery to your car’s battery clamps with jumper cables (small ones would be fine) to provide power after you disconnect the main battery. If, on the other hand, you want to save your memory functions, you can do so with another 12-volt battery and some special tools. ![]() If your battery is easy to get to and you don’t have or don’t care if you lose any memory functions, feel free to skip down to “Removing and Replacing the Battery.” Furthermore, if the battery is disconnected, some radios have to be reset with a code in order to function (this to discourage theft), so make sure you either have the code or keep power connected to the radio. Therefore, disconnecting the battery will lose all of these, unless some other means of powering them is provided - which we’ll get to in a bit. You also may have to remove some components, such as sensitive electronics, to access the battery.Īnother potential problem is that modern cars rely on the battery to provide power for such things as the clock, radio presets, seat and mirror memory, and even some “learned” drivability functions when the car is off. Some batteries don’t even have a handle on them, making it tougher still and often requiring a special plier-like tool to grab and lift them out. You may need to consult the owner’s manual (or search online) to find where your car’s battery is located.Ĭar batteries usually weigh at least 40 pounds, so having to bend over to lift one out that isn’t on the edge of the vehicle can be tough on your back. This not only makes them harder to find, but also harder to remove. ![]() Now, however, they could be under the hood, under the floor of the trunk, under a seat, hidden beneath a cover, or have components placed above them and mounted inboard. Nowīack in the old days, batteries were typically found under the hood, out in the open and placed next to a fender. ![]() Therefore, you should wear safety glasses and nonfabric gloves when working with a car battery. After reading some of the potential problems noted below, you may decide it’s a chore best left up to a shop.īut first, an important safety caution: Car batteries contain caustic acid that can also be found on the outside of the battery - particularly an old one - and you don’t want to get this acid on your skin, in your eyes or even on your clothes. While replacing a car battery used to be a fairly simple process, it’s often much more complicated in modern cars. ![]()
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