Part 3. Installing New Battery Cables. Prepare the new cables for installation. Attach the positive cable to the starter. Attach the negative cable to the body or block. Place the battery back in the car. Connect the positive battery cable to the battery. Connect the negative cable. Start the car.
Go to where the cables began (the last place you removed them) and insert the ends of the car battery cables. Tighten them with the wrench or screwdriver. Run the cables to the car battery. Rub a small amount of petroleum jelly over the clamps.
How much does Car Battery Cable Replacement cost? Get an estimate. Remove and replace cables if voltage drop is more than 0.1 volt. Clean cables. Inspect .
Super corroded terminal. If the battery terminals have minor corrosion, just remove them and clean them and the battery posts with a wire brush. Using the wire brush, neutralize the battery acid with a baking soda/ water solution. Or buy a can of battery terminal spray cleaner.
How to Replace a Corroded Car Battery Terminal: This guide will teach you how to safely replace a corroded terminal on your car battery.