How To Change A Car Battery Cable

A battery cable can break or become corroded or the terminal end can go bad. Twist and pull up on the end of the cable with your hand. Identify the positive and negative posts and the respective cables attached to each.

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Look in your owner s manual to see whether your vehicle has negative ground most do.

How to change a car battery cable. Never allow a metal object to touch both ends of the battery. Detach the negative black battery cable from the battery. Remove the cables from the battery terminals. This protects your car from corrosive battery acid.

Carefully inspect and examine the battery cables that you are going to replace. Replacing battery cable in 1997 ford f150 duration. After that detach the other ends of the cables from the engine block in the same order. If it does use an adjustable wrench to first loosen the nut and bolt on the clamp that holds the battery cable on the negative terminal.

The positive post may have a red plastic cover over it and or the cable attached to it will be red. With the engine off pop the hood and find the battery. Go to where the cables began the last place you removed them and insert the ends of the car battery cables. Trace and follow both the positive and negative cables all the way from the battery terminals to where they connect onto the vehicle.

Before you change your car s battery cables put on safety glasses and gloves to protect yourself from the acid in the battery. There should also be a symbol stamped or printed on the battery next to the positive post. Then install new cables by. A bad battery cable can make you think that your vehicle has serious problems.

Detach the black negative cable from the battery. Do not use any tools to try to pry up the cable as it may cause damage. This will prevent corrosion. Step 4 installing the car battery cables.

Examine the battery s components. A better tool to use would be battery pliers or a battery wrench. Use a wrench to loosen the nut on the black negative end of the battery. First loosen the nut with a combination wrench.

Next disconnect the black cable then the red cable and remove the battery from the vehicle. Tighten them with the wrench or screwdriver. A faulty cable can make it difficult for you to start your vehicle cause your car to run poorly or stall in the middle of a long trip. How to replace car battery posts terminals wires replace battery cable ends duration.

Run the cables to the car battery. If the battery is hard to remove you can use a battery terminal puller. Rub a small amount of petroleum jelly over the clamps.