Congratulations on doing your own home repair job! Trace the dryer cord to where it enters the dryer housing. Small cup or container, tips, vacuum out dust and lint inside the dryer housing and vent hose before putting the dryer back into service. Some dryers have a green ground screw in a different location, to the side of the terminal block or sometimes on the dryer housing. Therefore, the dryer's neutral was tied to the ground connection on the metal case of the dryer. You never know when you might move again, and Murphy's Law says that if you do, it will be back into a home with a four-prong dryer plug! Neither the dryer vent or vent elbows are expensive; consider replacing them and at a minimum clean out the vent hose and the vent opening outside your home. The difference between this diagram and the 4-prong outlet below is the addition of a neutral wire.
Connect the black wire to the left spot on the terminal block and the red to the right young adult books dating violence spot using the brass screws. There really isn't a lot of difference in the wiring theory other than some changes in electrical codes throughout the years. Since the Code change, dryers must be wired with separate neutral and ground wires, which requires the use of 4-prong electrical cords plugged into 4-slot outlets. It is not safe to leave the ground wire loose. What Is the Difference in Wiring? With the power off, plug the dryer into the wall outlet and turn the breaker back. With the wires all terminated, tighten the connector on the outside of the dryer that holds the cable securely. If your running a new circuit, I highly recommend that you bring your outlet up to code and install a 4-prong dryer outlet.