What is the correct way to connect jumper cables to a car?

1 Answers
VanLillian
07/30/25 2:10am
Correct method for connecting jumper cables to a car: 1. Ensure the battery of the vehicle providing the jump has sufficient charge; 2. Check the voltage of the disabled vehicle's battery to ensure it matches the rescue vehicle's battery voltage. Typically, car batteries are 12V, while trucks or tractors may have 24V batteries or two 12V batteries combined; 3. Position the two vehicles close enough for the cables to reach, and inspect both batteries for leaks, cracks, or damage; 4. Attach the red cable clamp to the positive terminal of the disabled vehicle's battery, and the other end to the positive terminal of the rescue vehicle; 5. Attach the black cable clamp to the negative terminal of the disabled vehicle's battery, and the other end to the negative terminal of the rescue vehicle.
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