How to install a 3 prong dryer cord?

To install a 3 prong dryer cord, first make sure the power is turned off. Then, remove the cover plate on the back of the dryer. Connect the green wire to the ground screw, the white wire to the center terminal, and the black and red wires to the outer terminals. Tighten the screws securely and replace the cover plate. Finally, plug in the dryer and turn on the power to test it.