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Remember to remove your car key from the ignition and shut off the car before performing this guide.
Locate the terminals on the top of the car battery. Next to each terminal is a positive(+) or negative(-) sign, indicated the charge.
The positive terminal looks to be in working order, but the negative end has a lot of corrosion build- up. This will be the terminal to be replaced.
Now, find the nut located on the side of the terminal.
Using the wrench, rotate the nut counterclockwise.
Use an appropriately-sized wrench or socket, not channel locks as shown in the photo.
You do not need to loosen the nut all the way off the bolt, but just enough to loosen the terminal's grip on the node.
Carefully, use a cloth to lift up the terminal off of the node.
Be cautious when handling battery corrosion, as it can irritate the skin and is harmful if it comes in contact with your eyes.
Place the terminal on a paper towel, and make sure there is no contact with the node.
Always remember to remove the negative terminal first, before the positive end. This will remove the possibility of being electrically shocked.
Quite an overstatement to say ”remove the possibility” as the possibility still remains, it's just reduced
On the positive terminal, locate the nut along the side.
Using the wrench, rotate the nut counterclockwise.
You do not need to fully loosen the nut off the bolt, but just enough for the terminal to be easily removed from the node.
Using a cloth, carefully remove the positive terminal from the node.
Next, place the terminal on a paper towel, and make sure it does not come into contact with the node.
On the negative terminal, locate the nut on the side facing upwards.
Using the wrench, rotate the nut counterclockwise and remove it from the bolt.
Take the wire plate on top and remove it carefully from the bolt.
At this point, it is fine to handle the metal plate with your hands since the terminals are disconnected from the battery and there is nothing completing the circuit.
Now, remove the bottom wire plate from the bolt, placing it carefully to the side.
Set aside the old battery terminal, and replace it with the new one.
Next, replace the wire plates in the order they were taken off in.
Although it is not necessary that the plates be placed in the same order again, it is generally a good idea to go with the order the car was built with.
Place the flat washer and the screw-on head that came with the battery terminal onto the vertical bolt.
Tighten the head clockwise and make sure the wire plates are secured.
Not all battery terminal packs come with a washer and screw-on head. If your pack comes with a nut, use the wrench and tighten the bolt clockwise.
Using the cloth, place the positive terminal back onto the positive node.
Place the negative terminal back onto the negative node, using the cloth again.
On the negative terminal, use the wrench to rotate the side nut clockwise.
Next, perform the same action on the side nut of the positive terminal.
In order for a secure connection, be sure to tighten the nut as much as possible.
Now enjoy the fresh new terminal, and take your car out for a spin!
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