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How to Connect Jumper Cables for a Car Battery?

1 Answers

IrisLynn

07/30/25 12:33am

Here is the method for connecting jumper cables for a car battery: 1. Bring the fronts of both vehicles close together; 2. Connect one end of the red cable to the positive terminal of the rescued vehicle's battery; 3. Connect the other end to the positive terminal of the rescue vehicle; 4. Connect the black cable to the negative terminal of the rescue vehicle; 5. Connect the other end to the negative terminal of the rescued vehicle; 6. After the cables are connected, start the rescue vehicle first, then start the rescued vehicle. Here are some precautions for jump-starting a car battery: 1. When performing any operations on the battery, both the vehicle and the rescue vehicle must remain turned off. 2. The order for connecting the jumper cables is to first connect the dead battery's positive terminal to the rescue vehicle's positive terminal, then connect the dead battery's negative terminal to the rescue vehicle's negative terminal. 3. Never reverse the positive and negative terminals of the battery. For safety during installation and removal, strictly follow the order of connecting positive first then negative, and removing negative first then positive.

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