Quick Tip: Never connect the black cable to the negative (–) terminal on your dead battery. This is very dangerous, could result in a possible explosion. Make sure you follow the instructions in your owners manual when jumpstarting your vehicle.

What should you not do when you jumpstart a car?

8 Things You Should Never Ever Do When You Jump Start Your CarDont smoke. Not wearing gloves and eye protection. Not reading the owners manual. Dont jump start the car if the battery is cracked or leaking. Not putting the car in Park. Dont let the cables dangle from the car. Dont use poor and low quality cables.More items

When jumping a dead battery which terminals are connected last?

The positive (red) cable should be attached to the positive terminals on each battery. The negative (black) cable should have one end attached to the negative terminal of the dead battery, and one end grounded.

What happens if u hook up jumper cables wrong?

Hooking the jumper cables up backwards can create disastrous results⁠. Possible outcomes include irreparable damage to the battery, fried electronics, and even serious personal injury. You might cause personal injury and/or damage to your car if you accidentally hook your jumper cables up wrong.

Do jumper cables go bad?

But as the vehicles are used, those weakened components will eventually fail. And since those failures may be weeks or months later, youll probably never realize that it was caused by your use of conventional jumper cables.

Should I give someone a jump start?

Yes, it is possible to damage either or both of the cars. Theres a risk of serious overvoltage when jump-starting and that can damage any electronic equipment and even headlights that are on during the procedure.