How To Hookup A Car Battery. To hook up a car battery put the new battery in the car and hook up the positive and negative terminals. Keep the charger as far from the battery as the cables will allow and never leave the charger on top of the battery while its charging.
If the old battery is still in place remove it. Connect the clamps of the charger to the terminals on the battery matching positive to positive and negative to negative. This is denoted by a negative - symbol.
Batteries are heavy so grab from the bottom using both hands.
The exact installation method will vary depending on whether you are installing a top-post or side-post battery. The positive terminal in most cases has a red cover and is connected to the post on the battery that is stamped by a plus sign. They connect to the batterys positive and negative posts. Connect the clamps of the charger to the terminals on the battery matching positive to positive and negative to negative.
