Connecting jumper cables in the proper order and connecting the negative cable on the recipient battery to the engine block, instead of the battery itself, both reduce the risk of sparks and thus explosion.
"embarrassing, but after 40+ years of driving, i never understood or knew how to jump start a vehicle using jumper cables.
. once the jump-started vehicle is running smoothly, carefully disconnect the jumper cables, reversing the connection order.
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To make sure no part of the jumper cables or tools, or battery covers dangle into the engine compartment, where it might foul belts, pulleys, or other moving parts.
On jumper cables are normally not the exact same length to prevent them from touching.
Possible, consult your car's manual for the correct order in which to connect the jumper cables.
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Whatever the cause, you can use jumper cables to connect your dead battery to a live vehicle battery of the same size.
If you turn the car off to remove the jumper cables there is a good chance you'll be putting the cables back on to jump it a second time.
The article is incorrect in stating that jumper cables are not usually different lengths, this is to prevent the possibility that the ends could touch together and short circuit.
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Version of how to hook up jumper cables was reviewed by andrew everett on december 14, 2015.
The jumper cables in the following order once you get the dead-battery car running:Negative ground (engine-block bolt or, less desirably, negative terminal on the dead battery).
"i wasn't sure of the proper placement of the jumper cables or the proper disconnect order.
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So, while you're hooking up the discharged battery to the live battery in the booster car, you'll want to do this without creating any sparks.
. clamp the other end of the positive jumper cable to the positive battery terminal in the booster car.
As you are hooking up the jumper cables, make sure the metal ends of the cables don't dangle into the engine compartment, where they could get caught on such moving parts as a belt or a fan, or on the outside of the car, where they could scratch the paint.
. clamp one of the positive (red) jumper cable ends to the dead battery's positive battery terminal.
If two people are available to jump-start a car, one person can simply hold the ends of the jumper cables safely separated while the other person moves between the cars, making the proper connections.
But if you carry jumper cables in your car and know how to use them properly, your problem is solved.
In some cases, the cables themselves will come with a chart reminding you of the proper order in which to connect them.
. make a final check to confirm that the jumper cables are not near any moving engine parts, and then start the booster car.