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3 Jan Reversing the battery will cause melted wires and do you hook up positive or negative first diodes in the alternator, if you have one. Also a member of the Patriot Guard. Frame ground is the same as negative, so making hoook connection there, while generating a spark, does so somewhat away from the. 2 Jun First, make sure that small children are in a safe area away from the engine while you are establishing how to jump a dead car battery. Look at the batteries and make sure that you can identify which is positive, and which is negative. Do not connect the black, negative cable clamp to the dead battery. Let's assume that we connect the lug(terminal) on the negative lead first. When the lug on the negative lead is connected, the whole frame of the car becomes grounded including the nuts and bolts associated with the frame. Now, when you are connecting the lug on the positive lead, if the spanner comes in contact with.

If your experience with cars only implies driving and refilling the windshield liquid container, the very idea of touching the battery might send shivers down your spine. Obviously, the first thing you need to do is locate the battery. Regardless of your car-related knowledge, you should have no trouble recognizing the acid-based device.

Now, before you rush at the poor battery with your combination wrench or socket and ratchet, a few words of advice.

Do I Hook Up Positive Or Negative First

First of all, be sure to have the engine turned off. Secondly, check if there's any spillage from the battery.

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You wouldn't want to get any of the sulfuric acid on your face or hands, so always wear goggles and a pair of rubber gloves. We didn't wear any because the battery was quite new and there was no danger, but you should, it's the safest way!

Also, if you notice any severe leakage and corrosion signs, it would be wise to turn to a professional to get the job done. Assuming that you've done all of the above, proceed to article source the cables. As previously mentioned, there are two cables: Always remove the negative one first.

Because that cable is connected to the car body and if you go for the positive one first and accidentally touch any metal part with the metallic tool you will short circuit the battery not to mention causing a shower of sparks. With the negative cable disconnected, proceed to the positive one.

As a rule of thumb, the positive cable is usually red, while the negative one is black. However, it's best to check your battery markings just to be on the safe side.

Do I Hook Up Positive Or Negative First

You can now go ahead and remove the battery from its place. Keep in mind that it's quite heavy and you wouldn't want to drop on your feet or on other people's feet. If you are installing a new battery, all you have to do with the old one is to take it to an authorized center for recycling.

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If, however, you are planning a thorough recharge process, you can take the opportunity and clean the terminals with a wire brush.

You can do the same with the cables themselves. After all of this is done, it's now time to put the new battery or the old, albeit recharged, battery back into place. As you might or might not guess, you will have to wire everything in reverse order.

Usually, those units are 1. Include your email address to get a message when this question is answered. You should consider all safety risks before performing any basic maintenance or repair on your car. This will be the clip on the positive battery post.

So, after placing the battery in its place and securing it, first attach the positive cable and then the negative one. A nice finishing touch would be to smear some special grease over the terminals to prevent future corrosion.

Tighten the nut clockwise on the clamp while holding the bolt steady. Some new batteries are much heavier than older batteries, so be careful when lifting the new one. Some battery chargers have an engine starting feature. This will be the clip on the positive battery post. Depending on your point of view and your desire to prevent harm.

And you're all done. Now all you have to do is start the engine just to make sure everything is ok. In the old days, removing the battery for recharging purposes or for replacing was quite a regular task. Who's Your Number One? VHS Battle of the 21st Century. Why Elon Musk's Insanity Matters.

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