how to properly disconnect and reconnect a car battery

The last thing you want is for sparks to appear. Connect the new battery in the reverse order positive then negative.

Proper Order For Connecting And Disconnecting Car Battery Terminals Youtube

1Find A Suitable Tool.

. If it doesnt come off easily dont try to pry it off as this could damage the. In order to avoid potential electrocution it is always best to disconnect the negative battery terminal when working on a car. All thats left now youve reconnected the battery is to replace any battery.

Now youre ready to start your car. It might take some wiggling and twisting to pull it off. The terminals will be.

You dont have to. You are simply starting the electrical circuit again in the car. If you directly remove the battery while the terminal is connected there may be sparks and the battery will immediately explode.

Having been a factory trained mechanic at three Mercedes dealerships then had my own shop I always disconnect the red positive terminal first. First unbolt the negative battery cable and disconnect it by lifting it free. A reading under 10 volts indicates a bad battery that needs to be replaced.

Then the system goes down. Disconnect the Battery Cables. Be sure never to let the wrench touch both the.

The procedures below show how to disconnect a car battery. The most common source of ECM failure is in one of the wiring harnesses. Loosen the bolt on the positive terminal the one with the plus symbol lift it off the terminal and place it away from the battery where it is not touching metal.

To disconnect car battery properly you need to first unscrew. Tips to Reconnect a Car Battery. This will prevent any accidental sparks or.

1 day agoCall 541 412-5105 for more information. Disconnect the Positive side of the battery. Use a wrench to loosen the bolt of the negative battery cable.

A step-by-step walk-through of how to disconnect your cars battery follows. Cover the battery and close the bonnet. Use tape to block them.

The best way to reconnect a car battery is with a good tool. Use your socket wrench or adjustable wrench to loosen the nut holding the cable onto the negative battery terminal. Once its loosened twist and pull up on the cable.

In this video you will learn how to connect and disconnect a carmarinerv battery safelyBelow are some links to Amazon for the items in this video. A single wrench is enough to get the job done if the terminal uses a single bolt but if its a bolt and nut then you will need two wrenches. Put on safety goggles and work gloves if possible to protect yourself while you disconnect.

Most battery cable clamps have 10mm. Answer 1 of 8. When disconnecting the cables from the old battery disconnect the negative first then the positive.

Make sure not to accidentally touch either of the terminals with either of the connections to the car. You can use an old. The first thing that you should do is disconnect the battery cables from the terminals on your car battery and then connect them to a jumper cable.

How To Disconnect A Car Battery Youtube