Attach one red jumper cable clamp to the positive terminal on the dead battery. Attach the other end of the same cable, the second red jumper cable clamp, to the positive terminal on the working (live) car battery. Attach one black jumper cable clamp to the negative terminal of the working (live) cars battery.
How do you hook up a jump to a car?
To prepare for the jump:Step 1: Park the vehicles next to each other. Step 2: Both vehicles should be off. Step 3: Attach one red clamp to the positive terminal on the dead battery. Step 4: Attach the other red clamp to the positive terminal on the working battery.More items •Aug 7, 2021
What happens if you put the wrong terminals on a car battery?
When the jumper cables are incorrectly connected, the polarity of the electrical system on the vehicle with the dead battery will be reversed for a few seconds. This can irreparably damage many of the sensitive electronic components that are common on todays vehicles, such as on-board computers and electronic sensors.