Question: How do I use jumper cables?

When using jumper cables which goes on first?

Attach the red jumper cables first. Start by clamping one red cable to the positive side of the battery that wont start. Then attach the other red clamp to the positive side of the working battery. Next, clamp one black cable to the negative side of the working battery.

How do you put on jumper cables properly?

The safest order to attach the jumper cables is as follows: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.More items •14 Dec 2016

Do you start the car before connecting jumper cables?

Safety First: Remember, when connecting the positive cables to the batteries, you should always start by connecting the dead battery first. If you feed energy into the cables before they are connected to your battery, you can cause a safety hazard.

How long should I let my car run after jumping it?

Be sure to drive your car for about 30 minutes before stopping again so the battery can continue to charge. Otherwise, you might need another jump start.

What happens if I connect 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.

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