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I'm trying to put a three-wire power cord into a dryer and the cord and dryer have no schematic. I hooked the three wires to the three terminals, but have a concern that the neutral wire should be hooked to the chassis to ground it. I turned the dryer on and it sounded pretty ragged, and then was making buzzing sounds even when I shut it back off, so I unplugged it immediately, just to make sure I wasn't going to burn out my motor/burn my house down. Are there any online schematics I could look at or assistance you could provide?

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The following link explains how to connect a 3-prong and 4-prong power cord to an appliance. Since you did not post your location, I'm assuming this is for the United States:

http://www.fixya.com/support/r793520-3_prong_4_prong_power_cord_conversion

I hope you find this information helpful. Please read through the link thoroughly. If you still have questions or concerns, please let me know.

Posted on Sep 24, 2008

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Kenmore dryer 3prong cord installation diagram


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Eletric cord installation


The supply cord on a dryer can be 3 wire or 4 wire, depending on the existing receptacle. All new construction must have 4 wire receptacles for dryer hook ups.
At the back of the dryer you will see a set of three terminals. The outside terminals are for connecting the outside wires of the cord. In a 4wire hook up, the center terminal is for the center, insulated, white wire, the neutral. The bare copper or green wire of the 4wire cord gets connected above these terminals to a lug or stud on the body of the dryer. There may be a strap there. For a 4wire cord connection this strap is connected to the stud only.
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2 Answers

We have moved and the three prong cord now needs to be four prong


Ok here is how to hook up looking at dryer. Left brass screw is hot put red or black wire on. Center screw silver is neutral put white wire on. Right brass is also hot put the red or black wire on which one you have left. The green you ground to the dryer body or you can put with the white wire.

The reason why you have to hot wires is that it is a 240 volt dryer. Each hot wire caries 120 volts. The hot wires are the red and black. The white is a neutral witch is also a ground

I hope this helps. If you have any questions please ask before you rate.

Good Luck And Thank You for the post

Oct 20, 2009 | Dryers

2 Answers

How to hook up a ge dryer change from a THREE PRONG TO FOUR PRONG HOOK UP


Replace the old Three prong cord with a 4 prong.

White wire from 4 prong cord goes to the center terminal of the connector block. If there is a metallic strip on that terminal that goes to ground remove it from the terminal and bend it away from the terminal and down so it either touches the case or ends in thin air. Be sure it can't touch either of the outside terminals of the 3 terminal block.

Red and Black wires of cord go to outside terminals of the three terminal block. It makes no difference which one goes on which terminal but I usually attach them so the color of the cord wire matches the colors of the wires already on that terminal.

The last terminal is green and should be attached tightly to any screw of the case or any metal bracket attached to the case that it is long enough to reach as this is the ground. This lead protects you from electrocution if the dryer has an internal problem and should be tight to the case.

Sep 22, 2009 | Dryers

2 Answers

I moved to a house with a three prong outlet for my Frigidare electric dryer, model number FER341AC0, that has a four prong cord. I bought a new three prong cord but there is no color coding on the dryer...


The three wire goes on the electrical block on the back of your dryer just like the cord is made. If you look at the cord, it's made flat (Most 3 wire cord are made flat, Some are not) The wire in the middle goes in the middle of the block. The two wires to the outside go to the outside of the block. It makes do difference which wire goes on which side as long as the outside wires go to the outside.
Please rate solution

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1 Answer

I'm trying to replace the power cord on the Maytag Atlantis MDE7400AY. originally it has a three prong cord but i need to put on a four prong. in the back of the dryer it seems to only have three...


These two pictures illustrate the power wiring on a the terminal of an electric dryer. The one on top is the old-style three-wire configuration. Most people have this type in their homes. New code changes, though, require that dryers now have a four-wire cord, shown on the bottom.
Besides the number of wires in each cord, there are two important things to notice. First, in the four-wire configuration, notice that the dryer's grounding strap is folded back on itself. The whole point of the four-wire cord is to separate the ground from the neutral. The green wire (the "new" extra wire in the four-wire cord) is attached to the dryer cabinet. In the three-wire configuration, the grounding strap is left intact and the neutral and ground are tied together.


Sure hope this helps you find a resolution to your delimma! Best wishes.


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Sep 04, 2009 | Dryers

1 Answer

I have an old maytag electric dryer model #DE608 that has a three wire cord. I moved into a new home with a four hole dryer outlet. Can I switch the dryer electrical line from the existing three wire to a...


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Jul 06, 2009 | Dryers

1 Answer

Wire 3 prong cord


Electric Dryer How To Hook Up Cord pixel_trans.gifFor Three Prong Cords
the Center cord wire goes on the center terminal,
the left on the left ,
and the right on the right.

Note: There should be a ground strap or wire that runs from the center terminal to the dryer case.

For Four Prong Cords
the White cord wire goes in the center,
the Red on the Right,
the Black on the Left.
The green cord wire goes to the case or the external ground screw.

Note: Be sure to disconnect the ground wire or strap that runs from the center terminal to the case. In this Photo (A Whirlpool Dryer) I have ran the wire that runs from the center terminal, the Light Green wire, back to itself rather than cutting it off, just incase I need to put a 3 prong cord back on it some day. The whole purpose of this 3 prong / 4 prong thing is it separates the neutral from the ground. pixel_trans.gif pixel_trans.gif3 Prong Cord Whirlpool Dryer Example terminalblock.jpg 4 Prong Cord Whirlpool Dryer Example 4prongcord_small.jpg

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1 Answer

4 prong power cord to a 3 prong monunt I'm trying to replace a 3prong cord with a 4 prong but there is an extra wire, what do I do with it?


Dryers come with a wire or metal strap connecting the center "neutral" terminal to the frame of the dryer. When using a four wire power cord, take that wire or strap off the frame. (it can be discarded or better yet, in case this dryer needs to ever be converted back to a three wire cord) connect the frame end of the wire / strap to the center terminal of the power block. Now, Green (ground) wire goes to the dryer frame, White (neutral) goes to the center terminal, and the Red and Black (both "hot") wires go to either outside terminal. (one to each)

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1 Answer

Roper Dryer


Changing from 3 to 4 wire hookup on a electric dryer:
Power cord help for 3 & 4 prong dryer cords 
This is an example of a three wire connection dryer cord hookup. Notice that there is a ground strap connected from the common center terminal to the frame of the terminal block. Place the center wire of the cord on the center terminal [ one with the ground ******** it ] and the other two wires will be placed on the outer terminals and it doesn't matter which wire goes right or left. Get the center wire of the cord right and you are in business. 
This is an example of the 4 wire dryer cord hookup. Notice that the ground strap has been removed from the terminal block frame and folded back onto the center terminal for storage. You can see the colors of the other hookups. TIP: White always to the middle.

Mar 02, 2009 | Roper Dryers

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