The good battery should have the positive jumper cable attached to the positive battery terminal and the negative jumper cable attached to the negative battery terminal.
Car battery terminals positive negative.
Find the batteries and their terminals.
One is marked positive the other negative.
Subsequent shorting of the positive terminal to ground will then produce no current flow because the current has no return path to the negative post.
Clamp the other end of the positive cable to the positive terminal of the good battery.
There are also positive and negative cables in the jumper cable set.
Jump starting a vehicle with a set of jumper cables is pretty easy.
And of course always reconnect the ground last.
Clamp the other end of the negative cable to a clean metal part of the engine like a bolt head or bracket in the car with the weak battery.
Be careful not to touch the negative and positive terminals at the same time with the wrench or you could create a.
It reacts with other substances and you get battery terminal corrosion.
Next use a wrench to unbolt the negative battery cable.
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Never connect the red cable to the negative battery terminal or a vehicle with a dead.
Depending on which side it forms you can diagnose various battery problems if it is on the negative terminal this is a sign of undercharging while if it is on the positive terminal it is due to overcharging.
Each battery has two metal terminals.
The positive terminal will be marked with a and the negative battery will be marked with a if there are plastic caps over the terminals remove those now.
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Clamp the negative cable black to the negative terminal of the good battery.
The red one is positive the black one is negative.