If you cross the neg. with the pos. on a battery you could blow up both batteries and also blow the fuses on both cars.
positive to positive
Positive to positive, negative to negative if you are asking about installing one battery in a vehicle.
negative to positive,electrons to protons
What happens when you inadvertently crossed the positive battery terminal from a negative to a positive and a positive to a negative.?Read more: What_happens_when_you_inadvertanly_crossed_the_positive_battery_terminal_from_a_negative_to_a_positive_and_a_positive_to_a_negative.
Connect a battery charger to battery positive to positive negative to negative
The positive end of a battery goes to the positive end of the terminal. In retro spec, the negative end of a battery goes to the negative end of the terminal.
red is positive on a negative ground system
There are 2 battery terminals. A positive or hot and a negative or ground. The positive is slightly larger than the negative.
Negative side
Positive+ (RED) goes to positive + on battery. Negative - (Black) goes to negative - on battery.
Positive (Red) to positive post on battery. Negative (Black) to negative post on battery.
Well the flat of the battery is the negative side.