The negative cable is black.
Black battery cable positive or negative.
Identify a metal ground.
Connect the positive end first.
There are also positive and negative cables in the jumper cable set.
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.
Attach the negative cable last.
The black cable is the negative part and the red cable is the positive part.
The two should never be confused and you may wish to mark the handles of each cable with a or sign.
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.
Do the same on the black negative side.
If it shifts at all check all the clamps and check the tightness of the cables.
Attach the red positive cable to the red positive battery post and tighten with a wrench.
That s why you should always look for the plus and minus signs stamped into the battery case.
The negative battery cable is almost always black in color.
The positive cable is red.
Identify the black positive wire on a ceiling light fixture.
But as was mentioned the positive cable may also appear to be black.
Never connect the red cable to the negative battery terminal or a vehicle with a dead battery.