What happens if you disconnect the positive battery cable first?

What happens if you disconnect the positive battery cable first?

“Positive first, then negative. When disconnecting the cables from the old battery, disconnect the negative first, then the positive. Connect the new battery in the reverse order, positive then negative.”

What is the recommended method of removing corrosion from a battery terminal?

All you need is a glass of water and a teaspoon of baking soda to prepare the solution. Then use an old toothbrush or bristled brush to scrub said solution on the corroded areas. Cover the battery terminals and other corroded areas with a coat of baking soda. Then pour a small amount of water on each terminal.

When disconnecting a battery which cable should always be disconnected first?

Disconnect the Battery Cables Make sure you disconnect the negative terminal first. Lay the disconnected negative cable carefully to one side, making sure it’s well away from the battery terminal. Disconnect the cable from the positive battery terminal in the same way, then lay it to one side.

Which battery cable do you disconnect for storage?

negative battery cable
The low-tech solution is to disconnect the negative battery cable. You’ll likely lose the stereo presets, time and other settings. If you want to keep those settings and ensure that your battery starts the moment you return, purchase a battery tender, also known as a trickle charger.

What’s the proper way to disconnect a battery?

Always disconnect battery cables exactly in this order; disconnect the BLACK negative cable first, and then disconnect the RED positive cable. Always connect battery cables exactly in this order; connect RED positive cable first, then connect BLACK negative ground cable.

What can I use to clean corroded battery cables?

There are several methods for cleaning corroded battery cables and terminals. One way is to put baking soda and water on them to neutralize the acid, and then use a wire brush battery post cleaner to clean off the acid and the dirt.

How do you remove a negative battery connector?

If the cable is seized to the battery post, a special battery cable removal tool may be needed to remove the negative connector. Ask your local auto parts store or mechanic. Follow the same procedure to disconnect the positive terminal. After removing it from the terminal, don’t let the positive connector touch any metal part of the car.

Why do I have to disconnect the Black Wire from the battery?

The reason for this sequence is simple – by having the black ground wire disconnected as you work on the red hot wire, if you should accidentally contact the chassis with the wrench while contacting the red battery terminal, you will not be shorting the battery with the ground disconnected.