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How do you disconnect a positive battery in a car?

How do you disconnect a positive battery in a car?

Use a 1.8 cm (3/4 inch) spanner to disconnect the positive battery cable. This is the cable with red insulation, connected to the positive battery post. Loosen the nut and remove the cable from the battery post. Position the cable so that the end is touching no part of the car body.

Can a car battery be disconnected while the engine is running?

Battery voltage MUST be maintained to the (PCM) and other modules; while the battery is disconnected. NEVER : disconnect the car battery; while the engine is running or the ignition key is turned on. Automotive Car Battery With Negative Cable Removed

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.

Where is the OBD-II connector on a car?

The OBD-II connector is located; under the driver’s side of the dashboard, on the steering column. Next, remove the old battery; making sure that the positive battery wire is not, touching the car’s body. Then, install the new battery and attach the connectors. Finally, unplug the memory saver from the car. That’s all.

What’s the best way to disconnect a car battery?

Clean any corrosion off of the battery and terminals with a can of spray-on battery cleaner. Disconnect the negative battery cable and then the positive cable with a combination wrench. Clean the battery posts and terminals with the post and terminal cleaning tool, so you have a good connection when you’re done.

How do you remove the negative connector from a car battery?

Pull the negative connector from the battery after you’ve loosened the nut. Push it aside so it is unable to make contact with the battery while you’re doing your work. 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.

Do you need to disconnect the positive terminal of a battery?

Gear-obsessed editors choose every product we review. We may earn money if you buy from a link. How we test gear. Follow these tips to keep your battery—and your hands—in tip-top shape. Q: A friend of mine told me that I should always disconnect the positive terminal of the battery first to keep the electricity from spilling out of the battery.

Where do you put the battery cable in a car?

Set the end of the cable aside so that it can’t fall back into place and make contact with either battery terminal. If your battery is in the trunk, the positive cable will attach to another connector near the body of the car. Simply disconnect it from there. Remove the battery.

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Ruth Doyle