There are also positive and negative cables in the jumper cable set.
Black battery cable positive or negative.
The negative cable is black.
Identify a metal ground.
The positive cable is red.
The negative battery cable is almost always black in color.
Attach the red positive cable to the red positive battery post and tighten with a wrench.
Identify the black positive wire on a ceiling light fixture.
That s why you should always look for the plus and minus signs stamped into the battery case.
The jumper cables are colored black and red with each end having alligator clips made of copper that attach the leads of each car s battery.
It attaches to the battery terminal post marked with a plus sign the letter p or the word pos.
Ensure that the connections on both ends are secure by trying to move the battery around.
Connect the positive end first.
Recognize that the black wire is the positive one the white wire is the negative one and the green wire is the ground.
Attach the negative cable last.
If it shifts at all check all the clamps and check the tightness of the cables.
Do the same on the black negative side.
Never connect the red cable to the negative battery terminal or a vehicle with a dead battery.
But as was mentioned the positive cable may also appear to be black.
The two should never be confused and you may wish to mark the handles of each cable with a or sign.