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How do you tell a positive wire from a negative wire on a car?
On the car battery, the positive wire is red and the negative wire is black. If the body of the car is metal or conducts electricity, then the body of the car serves as the negative wire. The metal in the engine serves as the negative wire.
What color is negative on a car battery?
Black
What color is the negative on a car battery charger?
BLACK
Where does the ground wire go on a car battery?
Negative - (Black) is Ground, Positive + (Red) is Hot. Ground wire goes to Negative (Black) it goes from negative on battery to engine for ground.
How do you measure the voltage on a car alternator?
get a multi meter that reads dc voltage & touch the black (negative -) wire to the negative battery post & the red (positive +) wire to the positive battery post with car running. car off is battery voltage, car on is alternator voltage.
What battery wire do you unhook first in a car battery?
disconnect the negative (black) first then positive (red).
Why would a negative wire melt off battery?
there is not a proper grounding wire mounted to the body of the car or truck.
What is black on a car battery?
The black wire means negative and the red wire means positive if that's what you where asking
What battery wire to you hook up first in a car battery?
Hook positive up first, negative last.
What color is positive on a car battery?
Normally red or brown. The battery has a + stamped into it by the positive terminal. Follow the wires, on a modern car the positive will go to the alternator and starter. The negative wire (easier to follow) will go to the body/engine block
Ford Focus car battery which is positive?
The electrode with the + mark, red wire. Black is negative.
On a car battery which terminal is positive which is negative?
Positive is either red or has a "+" symbol.
